Grof is recognized for supervising thousands of LSD sessions, mapping the human unconscious in ways that succeeded the work of Freud and Jung.

It is viewed as an essential resource for therapists and "serious seekers" of self-exploration. Availability:

A significant portion of his theory explores how unconscious memories of the four phases of birth (Basic Perinatal Matrices) influence adult life and trauma.

It is described as a "tour de force" that brightens academic theories with amusing anecdotes and brilliant case studies.