Movie · 1986
Is 9½ Weeks based on a book?
Quick answer
Yes. 9½ Weeks is based on the book Nine and a Half Weeks by Ingeborg Day (1978).
The movie was released in 1986.
The book behind 9½ Weeks
Nine and a Half Weeks
by Ingeborg Day · first published 1978 · autobiography, erotica, LGBT literature
1978 novel by Ingeborg Day.
Common questions
Is 9½ Weeks based on a book?
Yes. 9½ Weeks is based on the book Nine and a Half Weeks by Ingeborg Day (1978).
Who wrote the book 9½ Weeks is based on?
Nine and a Half Weeks was written by Ingeborg Day and first published in 1978.
Should I read the book before watching?
If you like knowing the full story and characters first, read Nine and a Half Weeks before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.