Robin Odell
Jack the Ripper in Fact and Fiction
George G. Harrap & Co. LTD., 1965
275pp., illus., bib. index.
Casebook Review: 
One of the founding texts in the study. Though difficult to find today, Odell's book was one of the first well-researched Ripper books to hit the market. His theory was that a shochet (a Jewish ritual slaughterer of animals) was responsible for the murders.
