The Two-Headed Serpent is a globe-trotting, adrenaline-pumping campaign for Pulp Cthulhu, plunging your heroes into nine explosive adventures across the 1930s world. From jungles and volcanoes to city streets and ancient ruins, players will uncover dark conspiracies, confront alien threats, and fight to save humanity itself. This hardcover campaign book comes packed with Keeper tips, full-color maps, player handouts, and everything you need to run cinematic, high-stakes horror adventures. Ideal for pulp enthusiasts who crave bold action and bigger risks.