Quote Originally Posted by Van View Post
"The Moon is a Harsh Mistress" by Robert A. Heinlein.

"The Prince" by Jerry Pournelle and S.M. Stirling.
Add in the Draka series by Sterling, Starship Troopers (BOOK, not movie) by Heinlein and Count Belisarius by Robert Graves.

Of course, I also have a major weakness for Eric Flint's 1632 series, and Rob Thornton introduced me to the John Scalzi Old Man's War series which is pretty good.