Dictator
William F. Wu
Isaac Asimov's Robots in Time (4)
Invader
Isaac Asimov's Robots in Time (6)
Gladiator
Philip Wylie
Blackcollar
Timothy Zahn
Blackcollar (1)
Allegiance
Star Wars (28)
Survivor's Quest
Star Wars (51)
Specter of the Past
Star Wars: The Hand of Thrawn (1)
Dark Force Rising
Star Wars: Thrawn (2)
The Doors of His Face, the Lamps of His Mouth and Other Stories
Roger Zelazny
First Landing
Robert Zubrin