Percy, eminent author of ten books of fiction and nonfiction, including The Moviegoer and The Thanatos Syndrome , died in 1990, and left a legacy of uncollected nonfiction. Here are assembled essays on language, literature, philosophy, religion, psychiatry, morality, and life and letters in the South. The editor has arranged them to best advantage and provides an introduction. Annotation c. Book News, Inc., Portland, OR (booknews.com)