David’s brand new book, The Varieties of Spiritual Experience ... The personal spiritual experience that sparked David’s research ... This book’s relationship to William James’s The Varieties of Religious Experience ... How common are dramatic spiritual experiences? ... How different are different types of spiritual experience, really? ... Type 1 in the book’s taxonomy of spiritual experiences: The Numinous ... Type 2: The Revelatory ... Type 3: Synchronicity ... Type 4: The Mystical ... Type 5: The Aesthetic ... Type 6: The Paranormal ... Varieties of psychedelic experience ... SPOILERS: James’s surprising conclusions about religious experience ...