Now, in the new, more adult, The Book of Bill, several questions from previous Gravity Falls stories are answered, especially ...

Even 8 years after Gravity Falls ended, I still have questions about the show's many mysteries and characters, which is what makes The Book of Bill so exciting. Penned by series creator Alex ...

But Bill Cipher, the inter-dimensional demon bent on taking over the multiverse, is back in action — or at least, he’s back in a new book penned by Gravity Falls creator, Alex Hirsch.

There’s a new Gravity Falls book on the way, and this time it’s all about everyone’s favorite evil and triangular demon, Bill Cipher. Creator, (and also the voice of Bill) Alex Hirsch ...

He’s about to publish a book with Disney on his project. And we also do some shorts. So never say never.” If you are not familiar with Gravity Falls, you are most definitely missing out.