Anvil Galaxy - Rifts Dimension Book, 5 Author:Bill Coffin At last, an overview of the Anvil Galaxy and key people, civilizations and worlds. More about the mysterious Cosmic Forge and the insanity and terror that surrounds its search. Overview of the galaxy. Legends of the Cosmic Forge. The search (and ensuing madness) for the Cosmic Forge. New alien races and planets. Adventure ideas and more.