From Fright-Rags Inc. Introducing the officially licensed House of 1000 Corpses Activity Book, brought to you by Fright Rags! Dive into 15 pages of Firefly family fun with artwork by Nathan Milliner and puzzles/layout by Joe Guy Allard. This activity book, sized at 8 1/2" x 11", comes complete with Fright Rags crayons for a fully immersive experience.