|Berkley Medallion paperback, 1971. Cover artwork by Richard M. Powers.|
Rear cover synopsis:
"As a horde of monstrous travelers advances through space annihilating everything before it, a super-defense force, consisting of one especially talented man from each as yet untouched planet, converges in an attempt to turn back the horde.
Miles Vander, Earth's representative, finds himself with a small group regarded as the less civilized of the defending force. But in the final showdown, it is these creatures capable of independent action and raw courage who give a surprising twist to this galactic cliffhanger..."