Divergent

Divergent is the debut novel by author Veronica Roth, and the first installment of the Divergent trilogy. It is followed by Insurgent, which was released on May 1st, 2012.

Trivia

 * During one of their "Dark Days Tour", particularly the one in St. Louis, Missouri, it was revealed by Veronica Roth herself that her working title was Dauntless, but eventually went against it because it gave away too much.