Transit to Scorpio (Dray Prescot S.)
Alan Burt Akers
Armada of Antares (Dray Prescot S.)
Arena of Antares (Dray Prescot S.)
Bladesman of Antares (Dray Prescot S.)
Captive Scorpio
Fliers of Antares (Dray Prescot S.)
Green Shadows
Golden Scorpio
Krozair of Kregen (Dray Prescot No. 14)
Manhounds of Antares
Savage Scorpio
The suns of Scorpio
The Tides of Kregen
Warrior of Scorpio (Dray Prescot S.)
A Victory for Kregen [Dray Prescot #22]
A Life for Kregen [Dray Prescot #19]
A Sword for Kregen [Dray Prescot #20]
A Fortune for Kregen [Dray Prescot #21]