After he is dumped for the nineteenth time by a girl named Katherine, Colin sets off on a road trip with his best friend to find a new direction in life, while trying to create a mathematical formula to explain his relationships.
- | Author: John Green
- | Publisher: Penguin Books
- | Publication Date: October 16, 2008
- | Number of Pages: 272 pages
- | Language: English
- | Binding: Paperback
- | ISBN-10: 0142410705
- | ISBN-13: 9780142410707