Expansion of "The Hard Way".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1965 |
|
The Alien Way | Bantam Books | Novel | 1 |
| February 1965 |
|
The Alien Way | Bantam Books | Novel | 1 |
| September 1971 |
|
Esche nello spazio | Editrice Nord | Novel | |
| March 1973 |
|
The Alien Way | Corgi Books / Transworld Publishers | Novel | 1 |
| May 1973 |
|
Die Fremden | König | Novel | |
| July 1973 |
|
The Alien Way | Bantam Books | Novel | 1 |
| December 1977 |
|
The Alien Way | Warner Books | Novel | 1 |
| December 1977 |
|
The Alien Way | Warner Books | Novel | 1 |
| October 1979 |
|
The Alien Way | Sphere | Novel | 5 |
| 1980 |
|
The Alien Way | Sphere | Novel | |
| January 1981 |
|
The Alien Way | Robert Hale | Novel | 3 |
| November 1981 |
|
Mit den Augen der Fremden | Moewig | Novel | 5 |
| November 1982 |
|
The Alien Way | Ace Books | Novel | 1 |
| January 1983 | The Alien Way | Ace Books | Novel | ||
| April 1991 |
|
Naked to the Stars / The Alien Way | Tor | Omnibus | 121 |
| September 2011 |
|
The Alien Way | Gateway / Orion | Novel | |
| December 2013 |
|
The Alien Way | Start Science Fiction | Novel |