David Chadwick, a Texas-raised wanderer, college dropout, bumbling social activist, and hobbyhorse musician, began his Zen study under Shunryu Suzuki Roshi in 1966. In 1988 Chadwick flew to Japan to begin a four-year period of voluntary exile and remedial Zen education. In Thank You and OK he recounts his experiences both inside and beyond the monastery walls and offers insightful portraits of the characters he knew in that world--the bickering monks,...