Gravity Falls has a new Bill Cipher book for adults - Polygon

Alex Hirsch - Want more #GravityFalls? The ALL NEW graphic novel Gravity Falls: Lost Legends is available now in stores and online. New mysteries, bizarre monsters, new adventures, and awkward pre-teen moments!

List of cryptograms/Episodes, Gravity Falls Wiki

Gravity Falls' Villain Bill Cipher, Gets His Own Book, 'The Book Of Bill,' With A Summer 2024 Release — CultureSlate

The Book of Bill (B&N Exclusive Edition) by Alex Hirsch, Hardcover

Bill Cipher, Gravity Falls Wiki

BILL CIPHER RETURNS! Gravity Falls: The Book of Bill REVEALED!

Gravity Falls' Villain Bill Cipher, Gets His Own Book, 'The Book Of Bill,' With A Summer 2024 Release — CultureSlate

Bill Cipher, Gravity Falls Wiki

Alex Hirsch

Bill Cipher, Gravity Falls Wiki