Now Then, by John Brunner (Mayflower-Dell, 1965). From a charity
Times Without Number, by John Brunner (Hamlyn, 1981). From a
Secret Agent of Terra by John Brunner, 1962.
useduniverse: Found at the amazing X-Ray Delta One’s photostream.
70sscifiart: From ClassicSciFiBooks.com
bunnyonplanetq: Secret Agent of Terra by John Brunner, 1962.
pyramaze: Interstellar Empire, John Brunner. Cover Art by Paul
sorcerersskull: Art by John Brunner