Estimated read time: 5 min read

One Sentence Summary

A young prodigy embarks on a road trip with his best friend and finds himself on a journey of self-discovery and love.


"An Abundance of Katherines" is a captivating young adult novel written by John Green. The story follows the life of Colin Singleton, a child prodigy who has an unusual predilection for dating girls named Katherine. This coming-of-age novel delves into themes of love, friendship, and self-discovery, as Colin embarks on a road trip with his best friend to find purpose and meaning in life.

Brief Synopsis

Plot Overview

The story unfolds in the small town of Gutshot, Tennessee, where we meet Colin, a recently graduated high school student who is grappling with a devastating breakup. This isn't just any breakup, however; it's the 19th time he has been dumped by a girl named Katherine. Feeling lost and dejected, Colin embarks on a road trip with his best friend, Hassan, in an attempt to escape his troubles and find a eureka moment that will help him make sense of his life.


The novel is primarily set in the quaint town of Gutshot, Tennessee, where Colin and Hassan encounter a variety of eccentric characters and immerse themselves in the town's unique charm. As the road trip unfolds, the backdrop shifts to various locations, each adding its own flavor to the narrative.

Main Characters

Here are the main characters in "An Abundance of Katherines":

Colin SingletonA child prodigy with a penchant for dating girls named Katherine. He is on a quest to prove his Theorem of Underlying Katherine Predictability.
Hassan HarbishColin's loyal and affable best friend who accompanies him on the road trip. He provides comic relief and unwavering support for Colin.
Lindsey Lee WellsA local girl from Gutshot who befriends Colin and Hassan, leading them on a journey of self-discovery and personal growth.

Story Points Over Chapters

Chapter 1-5

Colin, a former child prodigy, is dumped by his 19th Katherine and spirals into a state of existential crisis. Desperate to find meaning in his life, he decides to embark on a road trip with his best friend, Hassan.

Chapter 6-10

The duo arrives in Gutshot, Tennessee, and meets Lindsey, who offers them a place to stay. As they settle into the town, Colin begins working on a mathematical theorem to predict the outcome of his relationships.

Chapter 11-15

Colin's theorem becomes a focal point of his journey as he grapples with the complexities of human emotions and relationships. His bond with Lindsey deepens, and he starts to question his quest for predictability.

Chapter 16-20

As Colin's theorem takes shape, he experiences a personal transformation, realizing that life and love are not always predictable. He confronts his fears and insecurities, gaining valuable insights into his own identity and the nature of relationships.

Main Events

  1. Colin's 19th breakup with a girl named Katherine triggers his quest for self-discovery.
  2. Colin and Hassan embark on a road trip that leads them to Gutshot, Tennessee, where they meet Lindsey.
  3. Colin delves into creating a theorem to predict the outcome of his relationships, challenging his views on love and predictability.
  4. The dynamics between Colin, Hassan, and Lindsey evolve, leading to personal growth and self-realization.
  5. Colin's journey culminates in a newfound understanding of the unpredictability of life and love, marking a significant turning point in his life.

Themes and Insights


  1. Love and Relationships: The novel explores the complexities of romantic relationships and the unpredictability of love.
  2. Friendship: The bond between Colin and Hassan demonstrates the importance of friendship in navigating life's challenges.
  3. Self-Discovery: Colin's journey of self-discovery highlights the process of finding one's identity and purpose.


  • The unpredictability of life and love is a central theme, emphasizing the need to embrace uncertainty and change.
  • The novel also delves into the idea that personal growth often arises from confronting one's fears and insecurities.

Reader's Takeaway

"An Abundance of Katherines" offers readers a thought-provoking exploration of love, friendship, and self-discovery. Through the engaging narrative and relatable characters, the novel encourages introspection and reflection on the unpredictable nature of life and relationships. Readers are left with a sense of optimism and the realization that embracing change and uncertainty can lead to personal growth and fulfillment.


In "An Abundance of Katherines," John Green crafts a compelling narrative that resonates with readers of all ages. Through the relatable experiences of the main characters, the novel offers valuable insights into the complexities of love, the significance of friendship, and the journey of self-discovery. With its blend of humor, introspection, and emotional depth, this coming-of-age story leaves a lasting impression and prompts readers to contemplate the unpredictable nature of life and relationships.

An Abundance of Katherines FAQ

  1. What is 'An Abundance of Katherines' about?

    The book follows the story of Colin Singleton, a child prodigy who has been dumped by 19 girls named Katherine. He sets off on a road trip with his best friend to find a new direction in life and possibly prove a mathematical theorem of love.

  2. Who is the author of 'An Abundance of Katherines'?

    The book is written by John Green, the bestselling author of 'The Fault in Our Stars' and 'Looking for Alaska'.

  3. What genre does 'An Abundance of Katherines' belong to?

    The book falls under the genre of young adult fiction, with elements of humor, romance, and coming-of-age themes.

  4. Is 'An Abundance of Katherines' part of a series?

    No, 'An Abundance of Katherines' is a standalone novel and is not part of a series.

  5. What age group is 'An Abundance of Katherines' suitable for?

    The book is suitable for young adult readers, typically ages 12 and up, but can also be enjoyed by adult readers who appreciate young adult fiction.