Movie · 1962
Is The Longest Day based on a book?
Quick answer
Yes. The Longest Day is based on the book The Longest Day by Cornelius Ryan (1959).
The movie was released in 1962.
The book behind The Longest Day
The Longest Day
by Cornelius Ryan · first published 1959 · reportage, historical non-fiction work
1959 historical non-fiction work by Cornelius Ryan.
Common questions
Is The Longest Day based on a book?
Yes. The Longest Day is based on the book The Longest Day by Cornelius Ryan (1959).
Who wrote the book The Longest Day is based on?
The Longest Day was written by Cornelius Ryan and first published in 1959.
Should I read the book before watching?
If you like knowing the full story and characters first, read The Longest Day before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.