Was Mark Haddon's acclaimed novel The Curious Incident of the Dog in the Night-Time "unadaptable"? The author seemed to think so — that is, until he met playwright Simon Stephens, who turned the book into a massive West End stage hit. That hit is now coming to Broadway, with performances beginning on September 10 at the Barrymore Theatre.

Find out why Haddon felt that way, and how Stephens changed his mind, in the video below.