Christina Grof was cocreator of Holotropic Breathwork, founder of the Spiritual Emergence Network (SEN), and the author of many books, including Beyond Death: The Gates of Consciousness; Spiritual Emergency: When Personal Transformation Becomes a Crisis; The Stormy Search for the Self: A Guide to Personal Growth through Transformational Crisis (all with Stanislav Grof), and The Thirst for Wholeness: Attachment, Addiction, and the Spirit.