Picture "Harry Potter" author J.K. Rowling over in Scotland. She's hard at work in her writing room in the garden, drinking tea with classical music on in the background, as she writes the next "Fantastic Beasts" script.

Rowling gave fans more insight into her writing process on her website, and revealed she's currently working on the third movie screenplay, in the planned five-film "Fantastic Beasts" series.

Here's part of what she revealed in a fan Q&A:

"I've just finished the fourth Galbraith novel, Lethal White, and I'm now writing the screenplay for Fantastic Beasts 3. After that I'll be writing another book for children. I've been playing with the (non-Harry Potter/wizarding world) story for about six years, so it's about time I get it down on paper."

"Lethal White" is the latest novel in The Cormoran Strike series she writes as Robert Galbraith. Fun fact: "C.B. Strike" premieres tonight (June 1) on Cinemax, adapting her first Strike novel, "The Cuckoo's Calling."

The third "Fantastic Beasts" movie already has a release date of November 2020. It will follow "Fantastic Beasts and Where to Find Them," which came out in 2016, and "Fantastic Beasts: The Crimes of Grindelwald," which opens this November 2018.

Rowling doesn't just write the scripts, she's also a producer of the "Harry Potter" prequel films. She was asked what exactly is her role as producer, and how much say does she have in the look and feel of the films. Here's her answer:

"Warner Bros and David Yates, the director, have always let me have my say, though not necessarily the final word. That's true of all the producers, of whom I'm only one: our input is taken seriously but it is very much a collaborative effort. The director is ultimately responsible for everything that's seen on the screen. As the screenwriter, the majority of my input comes at an earlier stage."

During another section, when asked about collaborating on several projects, she revealed more details:

"The thing with movies is, however frustrated you get with the screenwriting process, and right at the moment when you think 'never again, this is too hard', you go down to the film set and join in with one big glorious game of pretend, with the world's best pretenders saying your words, and dressing out of the most fabulous dressing up box, and what with the lights and the smoke and the music you're suddenly in love with the process all over again."

"Fantastic Beasts 2," aka "The Crimes of Grindelwald," opens in theaters November 16th.

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