| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1981 |
|
Forerunner | Tor / Pinnacle | Novel | |
| September 1981 |
|
Forerunner | Tor / Pinnacle | Novel | |
| November 1981 |
|
Forerunner | Tor / SFBC | Novel | |
| May 1982 | Forerunner | Tor | Novel | ||
| May 1986 |
|
Forerunner | Tor | Novel | |
| February 1987 | Forerunner | Tor | Novel | ||
| September 1997 |
|
Forerunner | Tor | Novel |