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A Hymn Before Battle (original 2000; edition 2001)
by John Ringo
Amazon.com Product Description (ISBN 0671318411, Mass Market Paperback)With Earth in the path of the rapacious Posleen, the Galactic Federation offers help to the backward humans -- for a price. You can protect yourself from your enemies, but God save you from your allies!
(retrieved from Amazon Mon, 30 Sep 2013 13:30:19 -0400)
With Earth in the path of the rapacious Posleen, the peaceful and friendly races of the Galactic Federation offer their resources to help the backward Terrans--for a price. As Earth's armies rush into battle and special operations units scout alien worlds, the humans begin to learn a valuable lesson.
(summary from another edition)
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