Get High Now is an illustrated, mind-blowing magic carpet ride of more than 200 ways to alter human perception and consciousness-without drugs or alcohol. Culled from science, physiology, spiritual practices, and the audio visual a...

New York Times Book Review Editors' Choice • An Amazon Best Science Book of 2014 • Scientific American Recommended ReadDeep is a voyage from the ocean's surface to its darkest trenches, the most mysterious places on Earth. ...