P.P. · P. Powell · Powell Phill
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Deadly Tide: Inside Moves | 978-1-57231-306-4 (1-57231-306-4) | 1996 | |
| Microsoft Critical Depth: Inside Moves | 978-1-57231-633-1 (1-57231-633-0) | 1997 | |
| Urban Assault Strategy Guide | 978-1-57231-861-8 (1-57231-861-9) | 1998 | William A Trotter |