Movie · 2017
Is Knock based on a book?
Quick answer
Yes. Knock is based on the book Knock by Jules Romains.
The movie was released in 2017.
The book behind Knock
Common questions
Is Knock based on a book?
Yes. Knock is based on the book Knock by Jules Romains.
Who wrote the book Knock is based on?
Knock was written by Jules Romains.
Should I read the book before watching?
If you like knowing the full story and characters first, read Knock before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.