Floating in Quiet Darkness: How the Floatation Tank Has Changed Our Lives and Is Changing the WorldPaperback, 15 January 2021

Glenn Perry had a life changing experience when he floated in the tank invented by Dr. John C. Lilly. Lee and Glenn Perry created a new product, a new company and triggered a global industry. They have changed not only their lives but the lives of many of those who float. Included in the book are a selection of vivid personal narratives and photos from floaters showing the depth and breadth of these experiences.