Operator, by Charles Williams (Pan, 1958).From Ebay.
The Curious Mr. Tarrant: 8 Detective Stories, by C. Daly King
Saturn-3, by Steve Gallagher (Sphere, 1980).From a charity shop
The Seeds Of Time, by John Wyndham (Michael Joseph, 1972).From
The Chrysalids, by John Wyndham (Michael Joseph, 1979).From a
The Kraken Wakes, by John Wyndham (Michael Joseph, 1980).From