R. T. · T. R. · T.T. · Tracy R. Twyman - With Additional Material by Commander X
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Clock Shavings | 978-0-692-27777-5 | 2014 | |
| Dagobert's Revenge Magazine, Volume 5, Number 1 | 978-0-9761704-1-9 | 2003 | |
| Necronomicon | 978-0-9761704-8-8 | 2009 | Joshua Free |
| Solomon's Treasure: The Magic And Mystery of America's Money | 978-0-9761704-6-4 | 2009 | |
| The Arcadian Mystique: The Best of Dagobert's Revenge Magazine | 978-0-9761704-2-6 | 2005 | Richard Metzger |
| The Dragon Legacy: The Secret History of an Ancient Bloodline | 978-1-58509-131-7 | 2004 | Nicholas de Vere |
| The Merovingian Mythos and the Mystery of Rennes-le-Chateau | 978-0-9761704-0-2 | 2004 | |
Book Tree · Dragon Key Press · Various small imprints