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.