Is The Fortress based on a book?

Common questions

Is The Fortress based on a book?

Yes. The Fortress is based on the book Namhansanseong by Kim Hoon (2007).

Who wrote the book The Fortress is based on?

Namhansanseong was written by Kim Hoon and first published in 2007.

Should I read the book before watching?

If you like knowing the full story and characters first, read Namhansanseong before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.