A global-spanning Call of Cthulhu scenario to save the world! Contents: - The Hermetic Order of the Silver Twilight (Hutchison) - Look to the Future (Petersen) - The Coven of Cannich (Clegg) - Devils Canyon (Carnahan) - The Worm that Walks (Petersen) - The Watchers of Easter Island (McCall) - The Rise of R'lyeh (Petersen) - The People of the Monolith (Shelton) - The Warren (Gore). From the back of the book: The Silver Twilight is an international organization dedicated to the destruction of mankind. As brave investigators, you must piece together passages from esoteric books, shards of ancient artifacts and puzzling letters to discover the Silver Twilight's loathsome goals. This multi-chapter adventure begins in Boston and spans the globe. The Investigators must survive and conquer the mind-shattering monsters and minions of the Cthulhu mythos. Come, journey through the awesome realms of reality and match your wits and sanity against diabolical lurkers in SHADOWS OF YOG-SOTHOTH!