| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Investigator's Little Black Book: The Investigative Resource Used by Thousands of Private Investigators, Law Enforcement Agencies, Media Orginizations | 978-O-9652369-5-9 (O-9652369-5-1) | 2002 |
R. P. · Robert P. · Robert P.I.., Scott · S. P. · S R · S R P · S. Robert · SCOTT-P · Scott R.