Space Mercenaries
A. Bertram Chandler
Empress Irene (2)
The Lambeth Immortal
Charles Sheffield
Erasmus Darwin (1)
People of the Talisman
Leigh Brackett
Eric John Stark (2)
The Secret of Sinharat
Eric John Stark (1)
The Gate of the Cat
Andre Norton
Estcarp (8)
Sorceress of the Witch World
Estcarp (5)
Three Against the Witch World
Estcarp (3)
Warlock of the Witch World
Estcarp (4)
Web of the Witch World
Estcarp (2)
Witch World
Estcarp (1)
Stark's Command
John G. Hemry
Ethan Stark (2)
Stark's Crusade
Ethan Stark (3)
Stark's War
Ethan Stark (1)