Cynthia Carson Bisbee, Paul Bisbee, Erika Dyck, Patrick Farrell, James Sexton, and James W. Spark, eds., Psychedelic Prophets: The Letters of Aldous Huxley and Humphry Osmond. Montreal: McGill-Queen’s University Press, 2018; 728 pp; 10 b&w images; ISBN: 9780773555068; cloth;