Is there a horrifying screaming inside your head? Do you want it to get louder? Well, you’re in luck! The Book of Bill, the #1 New York Times bestseller, is back in a limited collector’s edition that will make all the other books on your shelf jealous.This time, Bill Cipher has blessed you with rare special extras, including:A cursed glow-in-the-dark collector’s slipcase, and an exclusive cover variant in Undead Green!A beautiful double-sided poster!A sticker sheet of Bill tattoos!A collection of four keepsake postcards!Beware: This book travels to dimensions meant for older readers.