A definitive series of talks by two acknowledged masters of consciousness exploration on uses of the flotation tank. "The floatation tank has always been a gateway into what is unknown and what is possible. This book is a guide to making the unknown possible."  —Michael Hutchison, author, MegaBrain Dr. John C. Lilly is a dolphin scientist and communicator. He is the inventor of the floatation tank and has conducted neurological and communications research. E. J. Gold is the author of more than four dozen books, including American Book of the Dead , Life in the Labyrinth, and Practical Work on Self . He lives in Nevada City, California.