| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1989 |
|
The High-Tech Knight | Del Rey / Ballantine | Novel | |
| July 1994 |
|
Sir Conrad Cavaliere del tempo | Editrice Nord | Novel | |
| December 1998 |
|
The High-Tech Knight | Del Rey / Ballantine | Novel |