Ringworld Companion

Ringworld Companion Sourcebook for Ringworld RPG by Chaosium.

The authors are credited as Greg Stafford?, John Hewitt?, Sherman Kahn?, Lynn Willis?, Sandy Petersen?, Rudy Kraft?, and Charlie Krank?.

The book starts with a diagram of the Ringworld and its star, EC-1752, new humanoids, aliens, plants and animals, technological objects, and original errata. There is some information on spaceships (Human and City Builder), hyperspace, a map of Human Space, and statistics for vehicles used on the Ringworld. Then there is a new race, the "Agamans", desert nomads, and a scenario involving them, "The Sand Eaters". Finally, there is a three part scenario named "The Kaladians", about the defense of travelling merchants. Totally 11 new hominids and description of six aliens species Thrintun, Tnuctipun, Pierin and three other ones.

Related: Guide to Larry Niven's Ringworld (1994, Kevin Stein?), Kzinti and Puppeteers for GURPS Space.

Other sites: The Future Worlds of Larry Niven, Wikipedia, Ringworld RPG,