New from Baen Books: The Last Centurion by John Ringo.
About the book, from the publisher:
Centurions were the guardians of Rome. At the height of the Roman Republic there were over five thousand qualified Roman Centurions in the Legions. To be a Centurion required that, in a mostly illiterate society, one be able to read and write clearly, to be able to convey and create orders, to be capable of not only performing every skill of a Roman soldier but teach every skill of a Roman soldier.Visit John Ringo's website.
Becoming a Centurion required intense physical ability, courage beyond the norm, years of sacrifice and a total devotion to the philosophy which was Rome. When Rome fell to barbarian invaders, there were less than five hundred qualified Centurions. Not because Rome had fewer people but because it had fewer willing to make the sacrifices. And the last Centurions left their shields in the heather and took a barbarian bride...