Movie · 1997
Is I Know What You Did Last Summer based on a book?
Quick answer
Yes. I Know What You Did Last Summer is based on the book I Know What You Did Last Summer by Lois Duncan (1973).
The movie was released in 1997.
The book behind I Know What You Did Last Summer
I Know What You Did Last Summer
by Lois Duncan · first published 1973 · thriller
1973 suspense novel by Lois Duncan.
Other adaptations of I Know What You Did Last Summer
- I Still Know What You Did Last Summer (film, 1998)
- I Know What You Did Last Summer (TV, 2021)
Common questions
Is I Know What You Did Last Summer based on a book?
Yes. I Know What You Did Last Summer is based on the book I Know What You Did Last Summer by Lois Duncan (1973).
Who wrote the book I Know What You Did Last Summer is based on?
I Know What You Did Last Summer was written by Lois Duncan and first published in 1973.
Should I read the book before watching?
If you like knowing the full story and characters first, read I Know What You Did Last Summer before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.
More screen adaptations of Lois Duncan's books
- Hotel for Dogs (film, 2009)