Titles marked by user Stonecreek with tag hidden planet
| Date | Type | Language | Title | Authors | Parent Title | Parent Authors | Tags |
|---|---|---|---|---|---|---|---|
| 1931-03-00 | SHORTFICTION | English | The Terrors of Aryl | R. F. Starzl | hidden Mercurian planet (1), space pirates (1), hidden planet (1), Mercury (1) |