The World Encyclopedia of Serial Killers is the most comprehensive set of its kind in the history of true crime publishing. Written and compiled by Susan Hall, the four-volume set has more than 1600 entries of male and female serial killers from around the world.Defined by the FBI as a person who murders 3 or more people over a period of time with a hiatus of weeks or months between murders, serial killers have walked among us from the dawn of time as these books will demonstrate. While the entries to these volumes will continue to grow-the FBI estimates that there are at least fifty serial killers operating in the United States at any given time-The World Encyclopedia of Serial Killers is as complete as possible through the end of 2017.The series continues with Volume Three M-S. The entries include the Machete Murderer Juan Vallejo Corona, Maranhao Boy Mutilator Francisco das Chagas, Night Stalker Richard Ramirez, Rostov Ripper Andrei Romanovych Chikatilo, and serial killer Arthur John Shawcross. You will find these killers and approximately 475 others in this third book in the series of The World Encyclopedia of Serial Killers.