Dumarest 11 - Zenya

Earls Dumarest's quest for his homeland - the legendary planet Earth - had been long and dangerous. Trekking across the galactic wastelands of the Milky Way, he had been pursued and hindered at every step by the deadly Cyclan. Now, just as his search seems to be nearing its close, Dumarest is once again side-tracked - forced to lead an army for Zenya in the deadly feuds of the alien planet of Paiyar . . . (First published 1974)
(source: Anobii.com)