If Tripping with Allah is a road book, it's a road book in the tradition of 2001: A Space Odyssey, rather than On the Road. Amazonian shamanism meets Christianity meets West African religion meets Islam in this work of reflection and inward adventure. Knight, the "Hunter S. Thompson of Islamic literature" seeks reconciliation between his Muslim identity and his drinking of ayahuasca, a psychedelic tea that has been used in the...