The Ultimate Jack the Ripper Companion: An Illustrated Encyclopedia

Stewart P. Evans, a retired police officer and curator of the Suffolk Police Museum in England, has researched the Whitechapel Murders for more than thirty years. He is the coauthor of Jack the Ripper: First American Serial Killer. Keith Skinner, for three decades a historical researcher of the Ripper case, is coauthor of such titles as The Ripper Legacy and The Jack the Ripper A to Z.