THE SEASON OF THE WITCH by James Leo Herlihy. 384 pages. Simon & Schuster. $6.95.
Incest, that most majestic of taboos, has had quite a literary run during the past few years. Nabokov's Ada, though not quite Pharaonic, elegantly proffered a half sister as better than none. Gore Vidal diddled the subject in Two Sisters, and if there was a moral to the convoluted enigmas of Anthony Burgess's MF, it was never commit incest without a conundrum.
Gloria Random does not need puzzles to approach the subject. The 17-year-old fugitive love child of James Leo (Midnight Cowboy) Herlihy's new novel finds that incest...