'The Power Within is a treasure trove of important information for people involved in self-exploration and healing, as well as individuals who facilitate and support their process." - Stanislav Grof, M.D., author of Psychology of the Future, Healing our Deepest Wounds, and The Cosmic Game and co-author of Holotropic Breathwork (with Christina Grof)

"Only by accessing the healing and spiritual potential of the power within, which Tav Sparks so eloquently describes, can we respond, both as individuals and collectively, to the challenges involved in the birthing of a globally interconnected and loving world." - Rick Doblin, founder and executive director of the Multidisciplinary Association for Psychedelic Studies (MAPS)

"A sweeping review of contemporary psychological thought through a lens of direct experience... A valuable and innovative book." - Jim Fadiman, author of The Psychedelic Explorer's Guide

"In The Power Within, Tav shares a truth he has taught for decades... there is an Inner Healer within us all that, when met with awareness, cooperation and proper support, propels individuals and collectives into the fast lane for healing, consciousness, and empowerment." - Kylea Taylor, author of The Breathwork Experience, and Considering Holotropic Breathwork

"Both healers and seekers will find The Power Within a treasure of hard-won insights and observations from a lifetime of therapeutic work with non- ordinary states of consciousness." - Richard Tarnas, professor of psychology and cultural history, California Institute of Integral Studies

"The Power Within conveys the good news that expanded states of consciousness are more readily accessible than many of us may had suspected; in fact, in the right set and setting, expanded awareness is only a few breaths away." - Michael Mithoefer, M.D.