society composed of vampires, lycanthropes and sorcerers who study the underlying principles of magic and visit other planes of existence. GURPS Cthulhupunk GURPS Screampunk GURPS Voodoo: The Shadow War Space GURPS Space Atlas GURPS Space Atlas 2: The Corporate Worlds GURPS Space Atlas 3: The Confederacy GURPS Space Atlas 4: Phoenix and Saga Sectors GURPS Terradyne Supers GURPS Aces Abroad GURPS I.S.T.: International Super Teams GURPS IST Kingston GURPS Mixed Doubles, a collection of characters designed to be used with GURPS Supers. GURPS Super Scum GURPS Supertemps GURPS Wild Cards (see below) Transhuman Space Bioroid Bazaar (PDF) Bio-Tech 2100 (PDF) Broken Dreams Changing Times (PDF) Cities on the Edge (PDF) Deep Beyond Fifth Wave High Frontier In The Well Martial Arts 2100 (PDF) Orbital Decay Personnel Files 1 Personnel Files 2: The Meme Team (PDF) Personnel Files 3: Wild Justice (PDF) Personnel Files 4: Martingale Security (PDF) Personnel Files 5: School Days 2100 (PDF) Polyhymnia (PDF) Shell-Tech (PDF) Singapore Sling (PDF) Spacecraft of the Solar System Spaceships 8: Transhuman Spacecraft Toxic Memes Transhuman Mysteries (PDF) Under Pressure Wings of the Rising Sun (PDF) Other original fictional settings —presents six versions of Earth possessing alternate histories to that of our own world, as well as a number of less-detailed settings scattered throughout the book in sidebars: for instance, "Gernsback" is a parallel, inspired by 1930s science fiction adventure stories (it is named for the editor Hugo Gernsback) has as its point of divergence is the marriage of Nikola Tesla to Anne Morgan, daughter of banker and financier J. P. Morgan. Attention is given to the ways in which agents of the Infinity Patrol presented in GURPS Time Travel and their rivals from the mysterious parallel known as "Centrum" attempt to influence the course of history in each parallel; the concept of the conflict between the Infinity Patrol and Centrum across the many parallel Earths was made central to the Fourth Edition of GURPS as the default setting in the Basic Set and in the supplement GURPS Infinite Worlds. GURPS Alternate Earths 2 presents six more alternate histories, among which that of Centrum, whose point of divergence is the successful crossing of the White Ship, meaning that William Adelin, the sole male heir of King Henry I of England, was never drowned. GURPS Autoduel (second edition) GURPS Black Ops, describing a setting that Earth under threat from various alien, supernatural, and other