S. T. · Steve Theunissen · Steve Townshend
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Phantasy Star Online Episode I & II Official Perfect Guide | 978-1-931886-19-2 (1-931886-19-9) | 2002 |
| Pleroma | 978-0-9840670-7-7 (0-9840670-7-8) | 2010 |
| Versus Books Official Perfect Guide for Wild Arms 3 | 978-1-931886-18-5 (1-931886-18-0) | 2002 |