Street Spies
Franklin W. Dixon
Hardy Boys Casefiles (21)
Warstrider
William H. Keith Jr.
Warstrider (1)
The Master Mind of Mars
Edgar Rice Burroughs
Martian Tales (6)
The Retrieval Artist
Kristine Kathryn Rusch
Retrieval Artist SS (1)
Talking To Dragons
Patricia C. Wrede
The Enchanted Forest Chronicles (4)