| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Public Reactions to Jack the Ripper | 978-0-9759129-7-3 (0-9759129-7-6) | 2006 | |
| Puzzle Baron's Logic Puzzles: Hours of Brain-Challenging Fun! | 978-1-61564-032-4 (1-61564-032-0) | 2010 | Puzzle Baron |
P R · P Ryder · S. P. · S R · Stephen P. · Stephen R.