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