What novel won a Nebula award and is the basis for a movie directed by Alex Garland?
Annihilation (film): Annihilation is an upcoming British-American science fiction thriller film directed and written by Alex Garland based on the book of the same name by Jeff VanderMeer. Annihilation (VanderMeer novel):  The novel won the 2015 Nebula Award for Best Novel and the 2014 Shirley Jackson Award for best novel.
i don't know