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.

Bill Cipher is back with sights set on telling the real story of what happened in Disney’s classic series Gravity Falls. The Book of Bill is a new entry to the lore of the beloved show that ...

Add in the decoding of another cipher—one hidden on the bus that Mabel and Dipper Pines took to return to California—and you’ve got a fandom conspiracy on your hands.

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.

Congratulations on finding the Bill Cipher statue, Bill’s final resting place! Whosoever finds this treasure is hereby the new “Mayor of Gravity Falls”—so use your title well!