[CALL OF CTHULHU ROLEPLAYING] "The Keeper's Companion" is an invaluable resource for gamemasters. The material includes advice for new keepers, a lengthy study of Mythos artifacts, a learned discussion of many occult books, an up-to-the-moment description of every facet of forensic medicine, a thorough revision and expansion of the game skills (including nearly two dozen new ones), and the entire text of "The Keeper's Compendium," somewhat updated -- forbidden books, secret cults, alien races, and mysterious places. Additional short essays and features round out this book -- more than 100,000 words!