(translated from the back of the book) Long before the rise of humanity the Great Old Ones ruled the earth. The traces of their cyclopean cities are still on outlying islands, buried in the desert sand and seen the polar ice. Once they came from the stars to our world. Now they sleep, some far below the earth's surface or in the sea. When the stars are right, they will rise up and walk the earth again. The horror RPG CTHULHU is based on the works of the writer Howard Phillips Lovecraft. His greatest and most enduring creation became known as the Cthulhu Mythos. Here ordinary people face the terrible and strange forces of the unknown. Can you assert yourself against the nameless horror? For all those who take on the roles of investigators and oppose the terrible Cthulhu Mythos, the investigators compendium provides in particular: Advanced rules for character creation numerous professional and skills descriptions a variety of organizations, which your Investigator could belong to practical tips for a living as Investigator Detailed information about the 1920s Hints and tips on how one can get the most fun out of CTHULHU Equipment and weapons descriptions. The useful handbook to Edition 7!