Robert A. Osborne
Source: "Robert A. Osborne Bibliography." Author Wars, https://authorwars.com/authors/robert-a-osborne.html".
Titles:
Cover Art
- Unknown. Assignment Luther
- Unknown. Creatures of the Mist
- Unknown. De Grafzerk van Uaxatún en Andere Verhalen
- Unknown. Defiance
- Unknown. Islands in the Sky
- Unknown. Nuclear Subtraction
- Unknown. The Blue Ants
- Unknown. The Day a Village Died
- Unknown. The Gold Bug
- Unknown. The House That Stood Still
- Unknown. The Moon Raiders
- Unknown. The Night That Never Ended
- Unknown. The Touch of Evil
- Unknown. The Wind of Liberty
- Unknown. Unborn Tomorrow
- Unknown. World Without Men