March to the Stars
David Weber & John Ringo
Empire of Man (3)
The Alex Verus Novels, Books 1-4
Benedict Jacka
Alex Varus (1)
Clan War
Craig Zerf
The Forever Man (3)
Port Eternity
C. J. Cherryh
Age of Exploration (1)
Portal
Eric Flint & Ryk E. Spoor
Boundary (3)