| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Cybertronian 1: The Unofficial Transformers Recognition Guide | 978-0-9822253-8-7 | 2009 | Harold Tietjens |
| Gold Digger Sourcebook Pocket Manga Volume 1 | 978-0-9801255-8-0 | ||
| Gold Digger Sourcebook Signed Hardcover | 978-0-9843375-4-5 | 2010 | |
| Gold Digger Sourcebook TPB | 978-0-9841107-0-4 | 2009 | Fred Perry |
| Gold Digger Tech Manual TP | 978-0-9844879-7-4 | 2011 | " |
D D · Des Dillon · Dick Dillin · Doug Dillon · Doug Dulin