Discover Unknown Quantity: A Real and Imaginary History of Algebra by John Derbyshire.
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John Derbyshire is the author of several novels. Originally from the East Coast, they now live in the Midwest with family. In addition to writing, John Derbyshire enjoys gardening, cooking, and reading way past bedtime. Their work often explores the complexities of everyday life and human relationships.
I liked it for the most part. I liked the main character, though some of the side plots were just okay. Still a good book.
Christopher RiveraMarch 17, 2024
I liked it for the most part. The middle dragged a tiny bit, but the ending totally made up for it. A solid 4 stars from me.
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Stephanie JonesJanuary 15, 2024
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Glad I picked this up.
Dorothy WalkerMay 19, 2025
Glad someone recommended this to me. I loved how the story unfolded. It kept me guessing without being too confusing. Definitely recommend it if you like this genre.
Michael RiveraJuly 11, 2024
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
Betty TurnerOctober 08, 2025
I was pleasantly surprised. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Nicholas WrightMay 06, 2024
Honestly one of the better books I've read lately. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Carol AllenMarch 28, 2024
A solid read. The middle dragged a tiny bit, but the ending totally made up for it. Still a good book.
David CruzOctober 30, 2024
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Cynthia FloresApril 23, 2025
Glad someone recommended this to me. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Andrew AdamsAugust 05, 2024
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Would probably read it again at some point.
Cynthia JacksonMarch 13, 2025
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. A solid 5/5 for me.
Kenneth LeeMarch 28, 2024
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Glad I picked this up.
Michelle HernandezMay 02, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. A solid 5/5 for me.
Elizabeth GarciaJune 05, 2024
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Thomas WilsonMay 21, 2024
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. Would probably read it again at some point.
Emily HillJanuary 08, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Donald RamirezJune 25, 2025
Such a great read. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Will be looking for more from this author.
Sandra LeeMarch 02, 2024
It was just alright. It had some good moments, but the overall plot felt a bit disjointed in the second half. Just right down the middle.
Ashley LopezFebruary 20, 2025
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Michelle CollinsAugust 22, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. Still a good book.
George WalkerAugust 31, 2024
Finished it in a couple of days. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Stephanie GarciaJuly 28, 2024
I liked it for the most part. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Still a good book.
Michelle FloresFebruary 19, 2024
Finished it in a couple of days. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Laura YoungJanuary 07, 2025
It was okay. It felt a bit repetitive in the middle. Could have been shorter. A generous 3 stars.
Kevin YoungNovember 02, 2025
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Dorothy ClarkNovember 11, 2024
Pretty good overall. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. I'd probably recommend it to a friend.
George GarciaDecember 03, 2025
It was just alright. It felt a bit repetitive in the middle. Could have been shorter. Might work better for someone else, just wasn't completely for me.
John ThompsonAugust 26, 2024
Really enjoyed this one. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. A solid 5/5 for me.
Nancy SanchezJuly 25, 2025
I liked it for the most part. I liked the main character, though some of the side plots were just okay. Not bad at all.
Brian LewisJune 12, 2025
Pretty good overall. It held my attention, even if a few things were a little predictable. Not bad at all.
Nicholas ScottOctober 20, 2025
It was okay. Some parts were interesting, while others were a bit of a slog to get through. Just right down the middle.
Michelle SanchezSeptember 23, 2025
Glad someone recommended this to me. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Joseph TorresMarch 21, 2025
Not bad, but not my favorite. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. It's fine if you have nothing else to read.
Joshua WalkerJune 27, 2024
Pretty good overall. I liked the main character, though some of the side plots were just okay. Not bad at all.
Ashley BrownJune 27, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
Robert JacksonAugust 12, 2025
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Susan GreenMarch 13, 2025
Good, but not quite perfect. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Andrew CruzMarch 25, 2024
Pretty good overall. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Andrew AdamsJune 28, 2025
I was pleasantly surprised. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Would probably read it again at some point.
Daniel YoungApril 02, 2025
Such a great read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Would probably read it again at some point.
Deborah DiazApril 24, 2024
Pretty good overall. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Andrew ThompsonJune 18, 2024
Finished it in a couple of days. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Jessica WalkerFebruary 26, 2024
I liked it for the most part. Interesting premise and executed fairly well. Just a few slow chapters here and there. I'd probably recommend it to a friend.
Lisa JohnsonJune 21, 2024
Glad someone recommended this to me. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Paul CruzAugust 21, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Mark JohnsonJuly 04, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Not bad at all.
Brian CampbellJune 23, 2025
It was okay. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Just right down the middle.
Susan AndersonMay 31, 2025
Took me a few chapters to get into it, but it was worth it. It held my attention, even if a few things were a little predictable. A solid 4 stars from me.
Kenneth HernandezDecember 21, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Worth the time and money.
Donald PhillipsAugust 04, 2024
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Stephanie RiveraOctober 26, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Jacob ThomasJanuary 05, 2024
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Glad I picked this up.
Richard ThompsonNovember 27, 2025
Pretty good overall. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
Nancy EvansSeptember 27, 2025
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Glad I picked this up.
Linda JohnsonMarch 21, 2025
Really enjoyed this one. I got really invested in the main character's journey. Everything just clicked for me. Glad I picked this up.
Paul CampbellMarch 22, 2024
I liked it for the most part. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. I'd probably recommend it to a friend.
Deborah AdamsNovember 19, 2024
It was just alright. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Just right down the middle.
Cynthia RamirezSeptember 18, 2025
Such a great read. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Sharon LopezApril 09, 2025
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. A solid 5/5 for me.
Michael GomezNovember 12, 2024
Finished it in a couple of days. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Definitely recommend it if you like this genre.
Linda ClarkApril 14, 2024
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. A solid 5/5 for me.
Kenneth MitchellSeptember 30, 2024
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Carol WilliamsOctober 31, 2025
I was pleasantly surprised. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Definitely recommend it if you like this genre.
Linda CarterDecember 08, 2024
Good, but not quite perfect. Interesting premise and executed fairly well. Just a few slow chapters here and there. I'd probably recommend it to a friend.
Kenneth LeeOctober 02, 2024
Took me a few chapters to get into it, but it was worth it. It held my attention, even if a few things were a little predictable. Enjoyable weekend read.
Robert JacksonApril 25, 2025
Finished it in a couple of days. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Margaret RobertsAugust 27, 2025
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Definitely recommend it if you like this genre.
Joshua ThomasMarch 24, 2024
I was pleasantly surprised. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Glad I picked this up.
Michelle FloresJuly 18, 2024
A solid read. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Susan AndersonJuly 17, 2025
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Dorothy MartinezMarch 21, 2024
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Glad I picked this up.
Deborah HarrisJanuary 15, 2025
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Dorothy MartinezSeptember 27, 2024
Really enjoyed this one. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Robert JonesJuly 19, 2024
It was just alright. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Might work better for someone else, just wasn't completely for me.
Deborah GonzalezDecember 27, 2025
Glad someone recommended this to me. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Glad I picked this up.
Mark RamirezApril 24, 2025
Finished it in a couple of days. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Betty WrightDecember 05, 2024
Really enjoyed this one. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Michelle LopezJuly 25, 2024
Finished it in a couple of days. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Worth the time and money.
Jacob PerezNovember 04, 2024
Really enjoyed this one. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Nancy GarciaApril 02, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Nicholas LeeSeptember 06, 2024
Really enjoyed this one. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Mark NguyenNovember 13, 2025
Glad someone recommended this to me. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Christopher HarrisApril 25, 2024
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Margaret EvansSeptember 08, 2024
Good, but not quite perfect. It held my attention, even if a few things were a little predictable. I'd probably recommend it to a friend.
Sandra GreenMarch 07, 2025
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Will be looking for more from this author.
James MooreOctober 22, 2025
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
John RobinsonApril 27, 2025
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Jacob MillerApril 24, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. A solid 4 stars from me.
Brian NelsonJuly 08, 2024
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. I'd probably recommend it to a friend.
Joshua MooreDecember 27, 2025
It was just alright. It felt a bit repetitive in the middle. Could have been shorter. Probably won't read it again, but it was an okay way to pass the time.
George MillerDecember 17, 2024
It was okay. Some parts were interesting, while others were a bit of a slog to get through. A generous 3 stars.
Donna GomezAugust 10, 2025
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
Paul EvansJuly 02, 2025
I was pleasantly surprised. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Mark TaylorDecember 18, 2024
Honestly one of the better books I've read lately. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Steven NelsonFebruary 06, 2025
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Anthony DiazJanuary 27, 2024
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Michael WalkerSeptember 10, 2025
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Joshua ThomasApril 15, 2025
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Definitely recommend it if you like this genre.
Donna MooreJanuary 29, 2025
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. A solid 5/5 for me.
Matthew MartinJune 10, 2024
Finished it in a couple of days. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Ryan JohnsonDecember 14, 2024
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Kenneth RobinsonJune 14, 2024
It was okay. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Probably won't read it again, but it was an okay way to pass the time.
Sarah AllenJune 20, 2024
I liked it for the most part. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. I'd probably recommend it to a friend.
Karen MartinezOctober 29, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Worth the time and money.
Nancy ParkerJune 13, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. A solid 4 stars from me.
Nicholas ClarkAugust 26, 2024
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Glad I picked this up.
Brian NelsonAugust 10, 2024
A solid read. I liked the main character, though some of the side plots were just okay. I'd probably recommend it to a friend.
Paul AdamsApril 23, 2024
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Carol TorresNovember 18, 2024
I was pleasantly surprised. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. A solid 5/5 for me.
Stephanie AdamsApril 20, 2025
Finished it in a couple of days. The writing style is very engaging. It’s easy to follow but still has a lot of depth. A solid 5/5 for me.
Melissa GreenMay 25, 2025
Pretty good overall. Interesting premise and executed fairly well. Just a few slow chapters here and there. A solid 4 stars from me.
Mark TaylorJuly 05, 2024
I liked it for the most part. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Paul ParkerMarch 27, 2025
Finished it in a couple of days. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Jessica WilliamsSeptember 29, 2024
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Jennifer ReyesJune 29, 2024
Took me a few chapters to get into it, but it was worth it. It held my attention, even if a few things were a little predictable. Still a good book.
Christopher NguyenOctober 31, 2025
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
Paul RodriguezFebruary 21, 2025
Pretty good overall. I liked the main character, though some of the side plots were just okay. Not bad at all.
Brian RamirezFebruary 16, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. Still a good book.
Paul LewisApril 28, 2024
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Not bad at all.
Nancy GomezJanuary 27, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. I'd probably recommend it to a friend.
Kevin PhillipsDecember 27, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Would probably read it again at some point.
Jennifer ThompsonMay 14, 2024
I have mixed feelings about this one. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. It's fine if you have nothing else to read.
Kenneth ThompsonOctober 19, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Sharon RamirezJuly 23, 2024
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Edward HernandezOctober 06, 2025
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Donald LeeJuly 30, 2024
Pretty good overall. The middle dragged a tiny bit, but the ending totally made up for it. Still a good book.
Michelle SanchezSeptember 03, 2025
Pretty good overall. The middle dragged a tiny bit, but the ending totally made up for it. Not bad at all.
Betty GonzalezSeptember 03, 2024
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
George HallAugust 03, 2024
Finished it in a couple of days. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
John CollinsJuly 28, 2024
I liked it for the most part. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Ryan AdamsDecember 17, 2024
Such a great read. I loved how the story unfolded. It kept me guessing without being too confusing. Definitely recommend it if you like this genre.
Michael SmithApril 30, 2025
Finished it in a couple of days. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Definitely recommend it if you like this genre.
Joshua ThompsonAugust 27, 2025
Such a great read. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Nicholas LeeFebruary 07, 2025
Finished it in a couple of days. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Glad I picked this up.
John PhillipsJanuary 30, 2024
Finished it in a couple of days. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Glad I picked this up.
Patricia LewisJuly 30, 2024
Not bad, but not my favorite. It felt a bit repetitive in the middle. Could have been shorter. Might work better for someone else, just wasn't completely for me.
Kenneth ClarkNovember 28, 2025
I was pleasantly surprised. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Worth the time and money.
Kevin PhillipsJune 30, 2025
I was pleasantly surprised. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Emily HillAugust 23, 2024
Glad someone recommended this to me. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Will be looking for more from this author.
Charles EdwardsOctober 13, 2024
I was pleasantly surprised. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Brian CampbellMarch 19, 2025
Good, but not quite perfect. The middle dragged a tiny bit, but the ending totally made up for it. Enjoyable weekend read.
Jessica WilliamsOctober 13, 2025
Honestly one of the better books I've read lately. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Lisa WhiteAugust 15, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. Enjoyable weekend read.
Patricia JacksonMarch 15, 2024
An average read for me. It had some good moments, but the overall plot felt a bit disjointed in the second half. It's fine if you have nothing else to read.
Sharon LopezOctober 12, 2024
Good, but not quite perfect. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Kenneth KingJuly 26, 2024
Glad someone recommended this to me. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Laura GomezSeptember 29, 2025
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Definitely recommend it if you like this genre.
Mark LopezMay 07, 2025
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. Glad I picked this up.
Steven BakerMay 10, 2025
A very satisfying read. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
