A teen novel.
A Michael L. Printz Award finalist.
Colin is sure he can find happiness only with a girl named Katherine. But…
Katherine IV preferred another boy.
Katherine X suggested they be friends.
Katherine XVIII dumped him in an email.
And Katherine XIX simply broke his heart.
To survive yet another breakup, Colin decides to take a small trip with his best friend. And—along the way—to develop a formula that can determine the future of any relationship.
Maybe he’ll even get a chance to test it in real life and answer the main question: does love obey math?