Jeffrey Konvitz is the author of the New York Times bestseller The Sentinel (Simon and Schuster-  Random House/Ballantine Books). He also wrote its bestselling sequel, The Guardian (1979, Bantam), and a third bestselling novel Monster: A Tale of Loch Ness (1982, Random House/Ballantine). Konvitz is an entertainment attorney, screenwriter and producer. In the 1980s and 90s, he became one of the top independent production executives in Hollywood, where he still resides to this day. His latest novel is Circus of Satan.