“Coming Full Circle comes at a time when many are considering trying psychedelics as a means to healing their trauma. This book gives an unflinching, realistic look at what treatment resistant trauma can look like and takes the reader on a journey of healing with a raw, painfully honest delivery. It’s a powerful tale of healing emotional wounds and trauma with the help of psychedelics.”

– Rick Doblin, Ph.D., Founder and President of MAPS (Multidisciplinary Association for Psychedelic Studies)

“One of the most important and healing aspects of the deep visionary experiences unleashed by psychedelics is the sharing of these experiences with others — sharing your pain and your joy and experiencing the pain and joy of others in a state of clarity, empathy, acceptance, humility and openness. When it comes to psychedelic experiences and the management of trauma, Shannon Duncan has walked the walk. What he shares in Coming Full Circle, the result of years of direct engagement at the heart of the mystery, is both deeply healing and richly informative. Highly recommended.”

–  Graham Hancock, author of The Divine Spark and Fingerprints of the Gods.

“Few writers can so masterfully convey the source of their trauma and hard-earned wisdom in such an intelligent and mindful way. With Coming Full Circle, Shannon Duncan has achieved this feat by plumbing the depths of his unconventional path to healing. He thoughtfully guides us into all aspects of true transformation through his vast mind, body, and soul altering experiences with psychedelics. If you are even remotely curious about using psychedelics to heal trauma, or simply want to witness a remarkable journey of healing, this book will not disappoint. The insights infused in each page are palpable and a gift for us all.”

– Cherie Kephart, award-winning author of A Few Minor Adjustments

“Coming Full Circle delivers a circle pack within a circle. It is fascinating as a biography that, in its uniqueness, can nevertheless be applied to the collective of trauma victims in an exemplary way. It is an important reference book for therapists working in the field. It is a guidebook for those who want to seriously and self-responsibly set out on the path to the authentic self. It is also a book of exhortation and critical examination of the subject of the psychedelic renaissance. It is a book of wisdom. Each chapter forms a circle within itself. It gives the reader non-polarized, comprehensible information. Once started, may not put it down from the hand. A truly nurturing full circle.”

—Dr. Friederike Meckel, author of Therapy with Substance

“A clear-eyed account of and guide to healing through psychedelic therapy… His story has power, and the hard-won advice is clear and courageous.“

—Publishers Weekly BookLife 

“A deeply personal memoir and inclusive guide for those interested in alternative approaches to managing mental health using psychedelic substances. Duncan manages to be incredibly open and vulnerable about his own experiences while laying the foundation for others by explaining the substances themselves, potential pitfalls and intended purposes of each substance, what to expect while under their influences, the do’s and don’ts of acquiring a potential guide, and things to keep in mind while keeping yourself safe. Using both scientifically backed information and hard-won personal experience, Duncan has created an incredibly informative and approachable book for the curious and uninitiated as well as the experienced adept.”

—Beatrice Toothman, Manhattan Book Review

“…a truly inspiring book that provides the reader with a clear-headed and thoughtful examination of psychedelics as medicine.”

—David Keenan, San Francisco Book Review