Altered States

"[Altered States] mixes statistics and surveys, historical overview, personal experience, and ethnographic texture to uncover the intertwining history of two fast-growing movements in American spirituality.... This overview will appeal to anyone interested in Buddhism, psychedelic possibilities, and understanding how both are forging a controversial new American religious experience.

Franz Metcalf, author of What Would Buddha Do?: 101 Answers to Life's Daily Dilemmas:
Altered States deftly guides us through the neglected territory of psychedelic Buddhism. This is a fascinating story, full of vivid characters and supported by solid research. Still, I believe it makes a greater contribution by situating these practices and persons within the larger contexts of tantra, of American religion, and of cutting-edge neuropsychology and consciousness studies. The result is—to use le mot juste—mind blowing.

Charles Prebish, author of Luminous Passage: The Practice and Study of Buddhism in America:
Altered States genuinely moves forward in laying a path for new, insightful, and valuable information on the American Buddhism that is developing in our global society. Douglas Osto's groundbreaking research will be appreciated by scholars, and his accessible style will be enjoyed by nonacademic readers.