Can some one tell me the title of a book about a civil war/sci-fi adventure that has csa troops battling death-crazed aliens on a far-off planet in the hope of changing the fates of two worlds.some told me it was ''expeditionary force'' but I can not fined the book at all. Can some one help me thanks.

Check this out. It sounds similar:

Rally Cry - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Rally_Cry)

Check this out. It sounds similar:

Rally Cry - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Rally_Cry)

Thanks catsmine that's the book I was looking for