SEMPER BOLO Freddy and Ferdy were obsolete, which was why they'd been stationed on the planet Muir as part of a defense treaty between the Strathan Cluster and the Concordiat. Even in their obsolescence, however, they possessed incredible and devastating firepower. Possibly that was why the military high command insisted on tying the two Mark XXIV Model FRD Bolos down with rules of engagement designed to cripple their initiative, and guarantee the safety of Muir's human population. It wasn't, after all, as if they would actually have to fight.... Unfortunately, the high command hadn't counted on the Malach, a deadly alien race descending on Muir from the uncharted Gulf between the galaxies. A race that looks and acts remarkably like pack-hunting dinosaurs, the Malach destroy everything in their path. All that stands between them and the population of Muir is two obsolete Bolos with their weapons locked down....