War World: Blood Vengeance - Pournelle, Jerry, and Stirling, S M, and Turtledove, Harry

Three hundred years ago, the last survivors of the genetically engineered Sauron super warriors arrived on Haven. Since then, the history of Haven has been a horror story. But now old enemies have been united by their hatred of the Sauron overlords, and it just may be possible for the humans to take back their world.

War World: Blood Vengeance 1994, Baen Books

ISBN-13: 9780671722012

Mass-market paperback