Science and Science Fiction, Part Two: The Hardness of Hard Science Fiction
| First published | January 1979 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1979 |
|
Destinies, January-February 1979 | Ace Books | Anthology | 248 |
| September 2009 |
|
The Queen of Air and Darkness | NESFA Press | Collection | 197 |