Postmarked the Stars
Andre Norton
Solar Queen (4)
Redline the Stars
Andre Norton & P. M. Griffin
Solar Queen (5)
Derelict for Trade
Andre Norton & Seth Grahame-Smith
Solar Queen (6)
A Mind for Trade
Solar Queen (7)
Voodoo Planet
Solar Queen (3)
Sargasso of Space
Solar Queen (1)
Plague Ship
Solar Queen (2)