| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1976 |
|
The Space Beyond | Pyramid Books | Collection | 7 |
| June 1976 |
|
The Space Beyond | Pyramid Books | Collection | 7 |
| April 1981 |
|
Asimov on Science Fiction | Doubleday & Company | Nonfiction | 196 |
| July 1981 |
|
Asimov on Science Fiction | Doubleday / SFBC | Nonfiction | 186 |
| April 1982 |
|
Asimov on Science Fiction | Discus / Avon | Nonfiction | 170 |
| 1983 |
|
Asimov on Science Fiction | Granada | Nonfiction | 196 |
| April 1984 |
|
Guida alla fantascienza | Mondadori | Nonfiction | 140 |
| September 2011 |
|
The Space Beyond | Gateway / Orion | Collection | |
| June 2017 |
|
The Space Beyond | Wildside Press | Collection |