Sphere paperback, 1980. Cover artwork by Peter Elson. Rear cover/synopsis.

Sphere books paperback, 1978. Cover artwork by Melvyn Grant. Rear cover/synopsis.

Sphere books paperback, 1978. Cover artwork by Melvyn Grant. Rear cover/synopsis.

Sphere paperback, 1973. Cover artwork by Peter Goodfellow. Rear cover and synopsis.

Sphere paperback, 1973. Cover artwork by Peter Goodfellow. Rear cover and synopsis.

Sphere paperback, 1973. Cover artwork by Peter Goodfellow. Rear cover and synopsis.

Sphere paperback, 1978. Cover painting by Melvyn Grant. Synopsis:  "From the wild and wintry borders of Asgard to exotic Ir...

Sphere SF paperback, 1968. Cover photograph by David Davies. Rear-cover synopsis:  "In the age of the Optiman genetic surgeons...

Sphere SF paperback, 1968. Cover photograph by David Davies. Rear-cover synopsis:  "The Government of North America has been p...

Sphere SF paperback, 1975. Cover painting by Jim Burns (I think). Rear cover synopsis:  "Victory!   Our invincible space...

Sphere SF paperback, 1975. Cover painting by Patrick Woodroffe. Back cover fluff.  "The book was like no other he had ever s...

Sphere paperback, 1984. Its surface is barren. Its true strength hidden. Its foreboding desert conceals the power to fold space,...

Sphere paperback, 1987. Cover illustration by Tony Roberts. "The year: 2990 AD. The centuries-old conflict between the hi-tech u...

Sphere paperback, 1987. Cover artwork by Tony Roberts (thanks: David). "After countless years of fighting - of pitting sophisti...

Sphere paperback, 1983. Cover painting by Jim Burns. "Ten centuries ago the Old Time ended when Earth's cities melted in the...

Sphere SF paperback, 1985 reprint. Cover painting by Bruce Pennington. "WORLDS IN CRISIS   Whoever it was that the Dzan had di...

Sphere SF paperback, 1988. Cover painting by Peter Elson. "A RAT BY ANY OTHER NAME...   Young Jim diGriz has but one ambition ...

Sphere SF paperback, 1982. Cover artwork by Peter Elson. "RAT IN PARADISE!   You can't keep a good rat down, not one as sl...

Sphere SF paperback, 1979. Cover artwork by Peter Elson. "SAVE THE GALAXY FROM DESTRUCTION!   Slippery Jim di Griz - the Stain...

Sphere SF paperback, 1983. Cover painting by Peter Elson. "MACHINES THAT MURDER!   Landing on a new planet is a danger every t...