Call of Cthulhu 7th Edition Keeper RulebookCall of Cthulhu 7th Edition Keeper Rulebook Features: Call of Cthulhu is a tabletop roleplaying game based upon the worlds of H. P. Lovecraft,It is a game of secrets, mysteries, and horror. Playing the role of steadfast investigators, you travel to strange and dangerous places, uncover foul plots, and stand against the terrors of the Cthulhu Mythos.,This book, The Keeper Rulebook, contains the core rules, background, guidance, spells, and monsters of