|Hamlyn SF paperback, 1982. Cover artist uncredited.|
"DEEP SPACE...TERRAN SLAVES...AND ALIEN MASTERS
Barton is the only man ever to outwit the Demu - the only being to successfully escape their planet, where all members of captured races are surgically altered to become like their new masters.
Leading a fleet of Earth ships, he now ventures into deepest space to join up with the other races under attack. This will be the first blow against the alien slaves.
But from another source Barton receives mysterious advice. He must go to the holy planet of the slaves and discover their secret..."