The ultimate Ripper collection runs to over 550 pages and includes four complete books: 'American Jack', about the Ripper's links to the United States, books on the suspects Francis Thompson and Ernest Dowson, and 'Severin', a novel based on the story of the well-known suspect George Chapman. Among other suspects covered in the book are Francis Tumblety, James Maybrick, Prince Albert Victor, Neill Cream, James Kelly and Robert D'Onston Stephenson. 'A Jack the Ripper Omnibus' also includes new material that has never been published before.