Ringworld Companion Sourcebook for the Ringworld RPG by Chaosium. INCLUDES: 11 new hominids Ringworld vehicles hyperspace UNSS Calatorie de Soare CGP31 Thrintun Tnuctipun Pierin 3 other alien species Scenarios: The Kaladians; The Sand Eaters sourcebook ringworld chaosium includes hominids ringworld   Fleet of Worlds Fleet from Worlds marks Larry Nivens first full novel length collaboration within Known Space universe the playground creating for bestselled Ringworld series. Teamed up with fellow SF writer Edward M. Lerner Fleet from Worlds takes closer look at the Human Puppeteer C... collaboration universe playground created bestselling teaming