Call of Cthulhu RPG: Nocturnum - Hollow Winds
The Nocturnum Campaign expands your Call of Cthulhu game with a malign new evil and an ancient conspiracy against humanity. Hollow Winds, the second book in the Nocturnum campaign, contains an in-depth examination of this inhuman threat and its apocalyptic plans for Earth. It picks up where Long Shades left off, and plunges the players into a Macabre network of dark schemes.
Hollow Winds is a postmodern campaign source book for the Call of Cthulhu roleplaying game. The background and adventures are easily adaptable to many other horror systems.