A global 1920s campaign for Call of Cthulhu. A reprint of the first supplement for the game, this edition corrects, updates and expands upon the previous edition, particularly in the handouts, statistics and descriptions of characters. The campaign is made up of the following scenarios: - The Hermetic Order of the Silver Twilight - Look to the Future - The Coven of Cannich - Devil's Canyon - The Worm that Walks - The Watchers of Easter Island - The Rise of R'lyeh This edition also features bonus scenarios: - People of the Monolith - The Warren From the back cover: "The rise of forgotten R'lyeh Cthulhu sleeps in the corpse city of R'lyeh. Through unblinking eyes he watches mountains grow and empires rise and fall. He lays quiet, unmoving. Now he stirs. He senses that the stars are once again converging into their proper formations. His worshippers have plotted for the day when their mighty lord once again walks the earth. That day has come! Shadows of Yog-Sothoth presents a grand, seven-part campaign, revealing details of the Silver Twilight, an organization dedicated to forcing the premautre rise of R'lyeh and the release of dread Cthulhu."