Actress Mary Badham and author Harper Leeof To Kill a Mockingbird, votedthe best literary adaptation in film
This all started with a Guardian film poll, listed here at MUBI (I’ve copied the list below, which is a public poll in England, hence some obscure, though excellent, films like Kes, Brighton Rock, and Remains of the Day, and the unlikely inclusion of Goldfinger)
The Guardian Film Poll