Ultimate Alien Anthology (Star Wars Roleplaying Game) - Eric Cagle, Steve  Miller, Michael Mikaelian Good collection of races for the game, though this book is created for the previous version of the game, and therefore needs somewhat extensive revision for SW Sagas (4th ed.). I found myself wishing and pining for an updated version of this book, because there isn't a comprehensive listing of SW races for the 4th ed.