NEL reprint, 1970. Artist uncredited. "Enter the incredible imagination of Isaac Asimov:   IT'S SUCH A BEAUTIFUL DAY: N...

Mayflower paperback, 1973 reprint. Cover painting by Bob Haberfield (thanks, Mark). "Karl Glogauer, obsessed with the bright si...

Magnum paperback, 1979. Cover illustration: Chris Moore. "The first novel of colonies in space   Hurtling across a vast and ro...

Panther SF paperback, 1969. Photograph by Dennis Rolfe. "I, ROBOT   To you, a robot is just a robot. But you haven't worke...