

Injured in the fight, Colin anagrams the Archduke's name while in the graveyard to dull the pain, and realizes that it is actually Lindsey's great-grandfather, named Fred N. A fight between Lyford and all the surrounding acquaintances begins when Lindsey finds out that he has been cheating on her. Their relationship is cut short when Colin and Hassan catch Katrina having sex with Lyford while on a feral-hog hunt with Lindsey, her friends and Lyford's father.

While the back stories of Colin's life play out, Hassan finds a girlfriend, Katrina, a friend of Lindsey's. His theorem eventually works for all but one of his past relationships with a Katherine-which the novel explores. It determines the curve of any relationship based on several factors of the personalities of the two people in a relationship. Colin is still chasing his eureka moment, finally finding it in the theorem he created called the "Theorem of Underlying Katherine Predictability". Hollis allows Colin and Hassan to stay with her family and offers them a summer job interviewing the town's residents and assembling an oral history of Gutshot.Ĭolin begins to like Lindsey, though he is foiled by her boyfriend, Colin Lyford (he and Hassan call him TOC, "the other Colin"), whose father is employed by Lindsey's mother. There, they meet Lindsey Lee Wells and her mother Hollis, whose family runs a local textile mill. After reaching a rural Tennessee town called Gutshot, they visit the supposed resting place of Archduke Franz Ferdinand.

Colin goes, hoping to find his "eureka" moment. He hopes to become a genius by having a " eureka" moment.Īfter graduating from high school, and before college, Colin's best and only friend, Hassan Harbish, convinces him to go on a road trip to take his mind off the breakup. After being dumped by his girlfriend, Katherine XIX, Colin is longing to feel whole, and longing to matter. Over the span of his life, Colin has dated nineteen girls named Katherine, all spelled in that manner. The novel includes an appendix by Daniel Biss, a close friend of Green, that explains some of the more complex equations used by the main character, Colin Singleton.Ĭolin Singleton, a child prodigy living in Chicago, fears he will not maintain his genius as an adult. Released in 2006, it was a finalist for the Michael L. An Abundance of Katherines is a young adult novel by John Green.
