The "Divergent" trilogy consists of "Divergent" (2011), "Insurgent" (2012) and "Allegiant", a science fiction novel for young adults, written by what American author?
Divergent trilogy: The "Divergent" trilogy is a series of young adult science fiction adventure novels by American novelist Veronica Roth set in a post-apocalyptic dystopian Chicago. Divergent trilogy:  The trilogy consists of "Divergent" (2011), "Insurgent" (2012) and "Allegiant" (2013). Allegiant (novel): Allegiant is a science fiction novel for young adults, written by the American author Veronica Roth and published by HarperCollins in October 2013.
Veronica Roth