ご質問ありがとうございます。
この場合、「この本は○○[監督](https://eikaiwa.dmm.com/uknow/questions/52407/)によって映画化されてます」と言いたいなら、英語で「This book was made into a movie by director ○○」と言います。
○○のところ、監督の名前を入れます。
ご参考になれば幸いです。
"この本は○○監督によって映画化されてます"
- This book was made into a movie directed by XX.
- It was also made into a movie and directed by XX.
- The movie adaptation of this book was directed by XX.
- There is also a movie adaptation that was directed by XX.