Michael Newton isthe author of the Encyclopedia of Serial Killers. His more than 348 works of fiction and nonfiction include the true-crime books The Encyclopedia of Unsolved Crimes;The Mafia at Appalachin, 1957;The Encyclopedia of Robberies, Heists, and Capers;The Gangsters Encyclopedia: The World's Most Notorious Mobs, Gangs and Villains; and The FBI Encyclopedia.