By Ken RaymondBook editorkraymond@oklahoman.com"American Predator: The Hunt for the Most Meticulous Serial Killer of the 21st Century" by Maureen Callahan (Viking, 304 pages, in stores)"American Predator" is one of the strangest true crime books out there.Author Maureen Callahan, a decorated journalist and a critic at large for the New York Post, tells the story of a lesser-known serial killer.Read more on NewsOK.com