From publisher blurb: 1936: A note and a bit of map leads a group of explorers into the Congo in search of a lost biologist and the mythic White Apes of Africa! Written as a stand alone adventure, or for an ongoing pulp campaign, the adventure This adventure is compatible with Hollow Earth Expedition and other UBIQUITY-based games. Designed for two to six players, and to play in about four hours, the adventure includes pre-generated characters.