The Puppet Masters
Robert A. Heinlein
The Cobra Trilogy
Timothy Zahn
The Judas Solution
Blackcollar (3)
Cobra Traitor
Cobra Rebellion (3)
Cobra Slave
Cobra Rebellion (1)
Cobra Outlaw
Cobra Rebellion (2)
Cobra Guardian
Cobra War (2)
Cobra Gamble
Cobra War (3)
Cobra Alliance
Cobra War (1)