The third and final book of the Nocturnum series. From the back of the book: "The NOCTURNUM campaign expands your Call of Cthulhu game with a malign new evil and an ancient conspiracy against humanity. In DEEP SECRETS, the third and final book in the NOCTURNUM campaign, players find themselves at the brink of insanity that lingers at the end of the world. At the eve of destruction they make their way to their final destination, only to find everything they know is wrong. "DEEP SECRETS is a postmodern campaign sourcebook for the Call of Cthulhu roleplaying game. The background and adventures detailed in DEEP SECRETS are also easily adaptable to most other horror roleplaying systems." Contents of the book: Chapter 1: A World in Chaos Chapter 2: The Copenhagen Connection Chapter 3: The Weaving of Three Chapter 4: Beyond the Sea Chapter 5: Moscow Showdown Chapter 6: Into the East Chapter 7: The Turning of the Wheel Chapter 8: The Tyrr Nemaii Chapter 9: The Armageddon Plain Handouts