Avenger of Antares
Alan Burt Akers
Dray Prescot (10)
A Fortune for Kregen
Dray Prescot (21)
Golden Scorpio
Dray Prescot (18)
Renegade of Kregen: Dray Prescot #13
Dray Prescot (13)
The Suns of Scorpio
Alan Burt Akers & Kenneth Bulmer
Delian Cycle (2)
A Sword for Kregen: Dray Prescot #20
Dray Prescot (20)
Swordships of Scorpio
Delian Cycle (4)
A Victory for Kregen (Jikaida Cycle, #4 )
Dray Prescot (22)