Cybernetic Walrus
Jack L. Chalker
Wonderland Gambit (1)
L'ombra del sole
Wilbur Smith
Ringworld Throne
Larry Niven
Ringworld (3)
1177 a.C.
Eric H. Cline
Covert Warriors
W. E. B. Griffin
Presidential Agent (7)
Shooters
Presidential Agent (4)
Outlaws
Presidential Agent (6)
By Order of the President
Presidential Agent (1)
Hunters
Presidential Agent (3)
Hostage
Presidential Agent (2)
Black Ops
Presidential Agent (5)