* Initial Interest: Several film studios expressed interest in adapting the Harry Potter books after the first one, *Harry Potter and the Philosopher's Stone*, became a huge success.
* Rowling's Involvement: Rowling was very selective about who got the rights and insisted on having a significant say in the adaptation process.
* Warner Bros. Wins: Warner Bros. Pictures won the bid, promising Rowling control and creative input.
* Collaborating with the Producers: Rowling worked closely with the producers and filmmakers, contributing to casting choices, script development, and ensuring the films stayed true to the spirit of the books.
So, it wasn't just Rowling's decision. It was a collaboration between her and Warner Bros., driven by the immense popularity of the books and a shared vision for bringing the magical world to life on the big screen.