Editors Reads Verdict
Green's quirkiest and most intellectually playful novel: the theorem-building conceit is both funnier and smarter than it sounds, and the portrait of post-prodigy anxiety — the fear of peaking at fifteen — is Green's most specific and most honest theme.
What We Loved
- The theorem-building conceit is funnier and more mathematically genuine than it has any right to be
- Colin's post-prodigy anxiety — the fear of having already peaked — is Green's most specific and honest emotional subject
- Hassan is one of Green's best supporting characters: funny, grounded, and his own complete person
- Gutshot, Tennessee is rendered with the affectionate specificity of a writer who actually looked
Minor Drawbacks
- Colin is less immediately likeable than Green's other protagonists — his self-absorption is the point, but it can be wearing
- The mathematical appendix delights some readers and alienates others — there is no middle ground
- The romantic resolution is the least convincing element of the novel
Key Takeaways
- → Being a prodigy is not the same as being exceptional at the thing you actually want to be exceptional at
- → The patterns we find in past relationships are usually patterns we imposed rather than discovered
- → Road trips have literary utility because they remove characters from the environments that define them
- → Intelligence deployed as self-protection eventually prevents the self from being protected
- → The question of whether you matter is not answerable by achievement — only by relationship
| Author | John Green |
|---|---|
| Publisher | Dutton |
| Pages | 256 |
| Published | September 21, 2006 |
| Language | English |
| Genre | Young Adult, Coming of Age, Comedy, Romance |
| Difficulty | Beginner |
| Best For | John Green readers curious about his full catalog; YA readers who enjoy intellectually playful novels with footnotes and appendices; readers interested in prodigy anxiety and post-high-school uncertainty. |
How An Abundance of Katherines Compares
An Abundance of Katherines at a glance against 3 similar books readers weigh alongside it.
| Book | Author | Rating | Best for |
|---|---|---|---|
| An Abundance of Katherines (this book) | John Green | ★ 3.9 | John Green readers curious about his full catalog |
| Looking for Alaska | John Green | ★ 4.2 | YA readers seeking literary depth and emotional intensity, particularly those |
| Paper Towns | John Green | ★ 3.9 | Teens and young adults |
| The Fault in Our Stars | John Green | ★ 4.3 | YA readers seeking literary depth alongside emotional resonance, and adult |
An Abundance of Katherines Review
John Green’s second novel is his most deliberately strange and his most underrated. Where Looking for Alaska announced a serious literary ambition and The Fault in Our Stars became a cultural phenomenon, An Abundance of Katherines sits quietly in the catalog as the book Green fans recommend when they want to show someone a different angle on his work.
Colin Singleton is a child prodigy — the kind who could read at two, who learned twelve languages by sixteen, who appeared on television as a curiosity — and he has been dumped by nineteen girls, all of them named Katherine. The novel begins the morning after Katherine XIX ends things and follows Colin and his best friend Hassan on a road trip to Gutshot, Tennessee, a small town where a factory produces the drawstrings used in almost all American sweatpants. Colin spends the trip trying to derive a mathematical theorem that could predict the outcome of any romantic relationship.
The Theorem
The theorem is both joke and thesis. Green actually derived the equations — they are reproduced in a mathematical appendix at the novel’s end — and the underlying question is genuine: can pattern recognition in past relationships tell you anything true about future ones, or are the patterns you find only the projections of your current state of mind? The answer the novel arrives at is characteristically Green: mathematical models of human feeling are reductive and also the kind of thing a brilliant, emotionally avoidant nineteen-year-old would spend six months on.
Colin and the Post-Prodigy Fear
The novel’s emotional core is Colin’s terror of ordinariness. He was exceptional at fifteen in a way that adults noticed and celebrated. He is not certain he will be exceptional at twenty-five in any way anyone will notice. This is a specific and rarely examined adolescent anxiety — not the fear of failure but the fear of having already peaked — and Green handles it with honesty and actual wit.
Hassan
Colin’s best friend Hassan is a larger, more religiously observant, funnier person who punctures Colin’s self-absorption with the casual precision of someone who has been doing it for years. He is one of Green’s best supporting creations, fully inhabited and not subordinated to the protagonist’s growth.
Our rating: 3.9/5 — Green’s most intellectually playful novel and his most honest treatment of post-prodigy anxiety, best appreciated by readers willing to engage with both the theorem and the footnotes.
The Second Novel and Its Peculiarities
An Abundance of Katherines, published in September 2006, was John Green’s second novel, arriving in the wake of Looking for Alaska’s Printz Award and the expectations that creates. It is a deliberately strange book — stranger than its predecessor, more formally playful, and more interested in comedy than in tragedy. It did not win major awards and has never achieved the cultural reach of The Fault in Our Stars or Looking for Alaska, which makes it, paradoxically, the Green novel most worth seeking out for readers curious about the range of what he can do.
The mathematical appendix at the back of the book — the actual equations for Colin’s theorem, derived with input from a mathematician — is either the novel’s finest flourish or its most alienating gesture, depending on the reader’s disposition. It is exactly the kind of thing that could only exist in a YA novel written by someone confident enough to trust their audience with genuine intellectual content.
Road Trip as Literary Device
The road trip structure that Green uses here — Colin and Hassan driving from Chicago to Gutshot, Tennessee after graduation — is one of American fiction’s most portable narrative devices: remove characters from their defining contexts and see who they are without those contexts. Colin has been defined by his prodigy identity for his entire life; stripped of the environment where that identity operates, he has to find out whether he is anything else.
Green, born in Indianapolis and deeply familiar with Midwestern landscapes, renders the American interior with the affectionate realism of someone who actually looked rather than imagined it. Gutshot, Tennessee — the kind of town that produces the drawstrings for most of America’s sweatpants and almost nothing else — is observed with the documentary precision of a writer who understands that specific, unglamorous places are where most American lives actually unfold.
The Theorem’s Emotional Logic
The theorem Colin is building is ostensibly about predicting romantic outcomes, but its real subject is the human desire to find pattern in pain. Being dumped nineteen times hurts. Having a theory about why it happens — a theory in which the outcomes are determined by variables rather than by anything Colin himself lacks — is a way of converting humiliation into data. Green understands the appeal of this, and he is kind enough to let the theorem be partially right before showing Colin the things it cannot account for.
The Theorem of Heartbreak
An Abundance of Katherines (2006) follows Colin Singleton, a washed-up child prodigy who has been dumped by nineteen girls all named Katherine, on a road trip to Gutshot, Tennessee. There he tries to devise a mathematical “Theorem of Underlying Katherine Predictability” to chart the course of any relationship — a comic premise Green uses to probe the gap between cleverness and wisdom, and the difference between mattering and being remembered.
A Quiet Standout
For all its comic machinery, An Abundance of Katherines is the John Green novel that most rewards rereading, precisely because it refuses the emotional grandeur of his more famous books. Its stakes are small and human — a smart boy learning that being remembered is not the same as mattering, and that the next chapter of a life cannot be derived from the last. Readers who know Green only through The Fault in Our Stars will find here a writer willing to be funny, odd, and genuinely unsentimental, and the result is one of his most durable and least imitated books.
Frequently Asked Questions
What is "An Abundance of Katherines" about?
Colin Singleton has dated nineteen girls named Katherine and been dumped by all nineteen. A child prodigy now between his last Katherine and his uncertain future, Colin and his best friend Hassan embark on a post-graduation road trip to Gutshot, Tennessee, where Colin tries to derive a mathematical theorem to predict the rise and fall of romantic relationships.
Who should read "An Abundance of Katherines"?
John Green readers curious about his full catalog; YA readers who enjoy intellectually playful novels with footnotes and appendices; readers interested in prodigy anxiety and post-high-school uncertainty.
What are the key takeaways from "An Abundance of Katherines"?
Being a prodigy is not the same as being exceptional at the thing you actually want to be exceptional at The patterns we find in past relationships are usually patterns we imposed rather than discovered Road trips have literary utility because they remove characters from the environments that define them Intelligence deployed as self-protection eventually prevents the self from being protected The question of whether you matter is not answerable by achievement — only by relationship
Is "An Abundance of Katherines" worth reading?
Green's quirkiest and most intellectually playful novel: the theorem-building conceit is both funnier and smarter than it sounds, and the portrait of post-prodigy anxiety — the fear of peaking at fifteen — is Green's most specific and most honest theme.
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