The Dragon Lensman

Description

From back cover Bantam paperback October 1983:

Worsel, the fearless Second Stage Dragon Lensman of Velantia III, was faced with the deadliest challenge of his distinguished career -- a machine rebellion on the Planetoid of Knowledge. Not even the great Kimball Kinnison himself could save Worsel from this robotic conspiracy, fostered by the treacherous Spawn of Boskonia.