Consciousness Exploration in the Isolation Tank. Since this book was first published in 1977, it affected the lives of hundreds of thousands of readers. It has been a profound inspiration for people to explore unchartered domains of consciousness. The testimonials in this book document the maiden inner space voyages of many people who have become household names of pioneering consciousness. John C. Lilly, 2007 Paperback, Very Good 318 pages 506g 23 x 15.2 x 2.5 cm