The Dueling Machine
Ben Bova
The Others (3)
Orion in the Dying Time
Orion (3)
The Aftermath
Grand Tour (12)
The Trikon Deception
Ben Bova & Bill Pogue
Moonrise
Grand Tour (5)
The Watchmen
The Others (2)
Orion and the Conqueror
Orion (4)
Vengeance of Orion
Orion (2)
Moonwar
Grand Tour (6)
The Exiles Trilogy
Exiles (1)
Orion Among the Stars
Orion (5)
The Precipice
Grand Tour (8)
Leviathans of Jupiter
Grand Tour (14)