This 96-page perfect bound book is the Sorcerer's Crib Sheet, which is a book of additional spells for The World of Bloodshadows roleplaying game. Bloodshadows is a fantasy noir game - what if Sam Spade or Philip Marlowe lived in a world with vampires type game. It uses the MasterBook system, which is a skill-based system, where character creation is done by points buy and skill and combat resolution is done with 2 d10 and cards.