From the 1 bestselling author of Turtles All the Way Down and The Fault in Our Stars Michael L. Printz Honor Book Los Angeles Times Book Prize Finalist New York Times Bestseller When it comes to relationships Colin Singletons type is girls named Katherine. And when it comes to girls named Katherine Colin is always getting dumped. Nineteen times to be exact. On a road trip miles from home this anagramhappy washedup child prodigy has ten thousand dollars in his pocket a bloodthirsty feral hog on his trail and an overweight Judge Judyloving best friend riding shotgunbut no Katherines. Colin is on a mission to prove The Theorem of Underlying Katherine Predictability which he hopes will predict the future of any relationship avenge Dumpees everywhere and finally win him the girl. Love friendship and a dead AustroHungarian archduke add up to surprising and heartchanging conclusions in this ingeniously layered comic novel about reinventing oneself. show more