Is The Secret of NIMH based on a book?

Common questions

Is The Secret of NIMH based on a book?

Yes. The Secret of NIMH is based on the book Mrs. Frisby and the Rats of NIMH by Robert C. O'Brien (1971).

Who wrote the book The Secret of NIMH is based on?

Mrs. Frisby and the Rats of NIMH was written by Robert C. O'Brien and first published in 1971.

Should I read the book before watching?

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