Written by Alex Hirsch, the series' creator, the book, titled 'The Book Of Bill,' deals with the backstory of Cipher ... Falls. Fans of Gravity Falls were quickly glued to the mystery, trying to ...
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 ...