| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1982 | 978-0-89218-054-7 | Donald D. Spencer | Exploring the World of Computers |
| 2000 | 978-0-89218-297-8 | Donald D. Spencer · Donald Spence | Collecting Casino Chips |
| 2006 | 978-0-89218-361-6 | Donald D. Spencer | Timucua Indian Mounds of Northeast Florida: An Illustrated Encyclopedia |
| 2005 | 978-0-89218-363-0 | '' | Florida's Historic Forts, Camps, and Battlefields: A Pictorial Encyclopedia |
| 2007 | 978-0-89218-366-1 | '' | History Of Gambling In Florida |