Norman Mailer: A Double Life. By J. Michael Lennon. New York: Simon and Schuster, 15 October. 947 pp., $40. Dedication: “To my wife, Donna Pedro Lennon, and Barbara Mailer Wasserman, with love and gratitude. And to the memory of Robert F. Lucid.” Authorized biography, with extensive quotations from Mailer’s unpublished letters, interviews with him, and with 85 others—his family, friends, and literary associates.