| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1959 |
|
One Against Herculum / Secret of the Lost Race | Ace Books | Omnibus | 5 |
| July 1969 |
|
Secret of the Lost Race | Ace Books | Novel | 5 |
| 1972 |
|
Secret of the Lost Race | Ace Books | Novel | 5 |
| 1974 |
|
Secret of the Lost Race | Ace Books | Novel | 5 |
| February 1978 |
|
Secret of the Lost Race | Gregg Press | Novel | |
| July 1978 |
|
Secret of the Lost Race | Ace Books | Novel | [6] |
| December 1981 |
|
Secret of the Lost Race | Ace Books | Novel | 1 |
| September 1982 |
|
Secret of the Lost Race | Ace Books | Novel | 1 |
| May 1985 |
|
Secret of the Lost Race | Ace Books | Novel | |
| April 2014 |
|
Secret of the Stars | Baen Books | Omnibus | |
| May 2014 |
|
Secret of the Stars | Baen Books | Omnibus |