| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Experts v.3.5: A Comprehensive d20/OGL Sourcebook for Fantasy Role-Playing Games | 978-0-9722511-9-8 (0-9722511-9-7) | 2005 | Michael J. Varhola · Paul O. Knorr · Skirmisher Game Development Group · Gary Gygax |
P F · Peer Friess · Piero Ferrucci · Pierre Force · Pierre Fourès · Pierre Fricke