Gravity Falls’ big villain, Bill Cipher, is getting his own book written by series creator, Alex Hirsch. And it’s for older readers! Out in July.

Alex Hirsch talks about Bill Cipher, Summerween, Gravity Falls, and which character deserves a 50 Shades of Gray-style spinoff. The Book of Bill is out now.

Bill Cipher is everywhere. Not just in the land of Gravity Falls, but in our world too. And if we’re not careful, he may just keep rewriting history and affecting the life of real life Gravity ...