Carl Gleba, author of the popular Phase World: The Three Galaxies, has created a sourcebook and guide to help Game Masters create their own alien dimensions and worlds. A great tool for G.M.s and fun for players. Rules, suggestions and tables for generating dimensions. Dimensional anomalies and other strangeness. The Shifter "Revisited" plus a few new dimension traveling O.C.C.s. Dimension Familiars and a few other weird creatures. A few sample dimensions, adventure ideas and more. For use with Rifts® and Phase World.