The Secret of Hyperborea
| First published | December 1981 |
|---|---|
| Type | Essay |
| Series | Adventures in Unhistory |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1981 |
|
Isaac Asimov's Science Fiction Magazine, December 21, 1981 | Davis Publications | MAGAZINE | 40 |
| 1993 | Adventures in Unhistory | Owlswick Press | Nonfiction | 169 | |
| March 1993 |
|
Adventures in Unhistory | Owlswick Press | Nonfiction | 169 |
| December 2006 |
|
Adventures in Unhistory: Conjectures on the Factual Foundations of Several Ancient Legends | Tor | Nonfiction | 169 |