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Dr Max Harrow is awakened from a re-current nightmare in which he is pursued by a barbaric accusing figures, to find collapsed on his doorstep, The tramp is suffering from a genetic radiation disorder that should killed him in infancy as it did Harrow's baby son. The ma is the living image of Harrow's nightmare figures, Clutched in his hand is a human finger bone and he speaks a strange, unknown tongue, Why did he collapse outside Harrow's house? What is his motive for tracing him?.

Imagine a future where you serve your prison sentence before you commit your crime, in the various hells of savage new planets just being colonised. If you survive, like Nick Crandall and Otto Henck, you can return home with carte blanche to commit murder...

Adam Crosse is a reporter for a local paper. A neurotic under-achiever, the last straw comes when he discovers his wife Lydia is having an affair and she coolly tells him she has no intention of either giving up her lover or divorcing Adam. The top crime story of the moment is a serial murderer nicknamed "The Kitchen Killer". Adam sets out to murder his wife and blame it on this shadowy psycho.

An expedition sets out to discover what has happened to a lost colony on a distant planet. Amongst the scientists is a strange, intense teenager called Mark Annuncio, raised to be a kind of human computer, able to make connections between different specialisms. Disliked by the crew, Mark nevertheless may be the only person capable of saving the ship when they land and scientists begin dying mysteriously.

Time travel may still be impossible, but the Chronoscope, sensing the nearly imponderable tracks of ancient photons, allows a glimpse into any event in Earth's distant past. Historian Arnold Potterley is rebuffed when he petitions for use of the Chronoscope to study ancient Carthage. So he commissions the building of a private time-viewing machine, with unexpected results.

If, by an accident of science, it became possible for the personality to pass at the moment of death into the mind of someone still alive, then the big new problem would be into whom. To foist the wits of a rogue onto an unwilling recipient would be unjust indeed. Any government who could thus cheat death might indeed win a popular vote, but only so long as all was voluntary - mutually contracted. James Hale is a man of such a society. He has insured against death of his personality by arranging mutual "Contact" contracts with his relatives. He is already host to his late father with whose memories and prejudices he has now learned to live. He himself is a responsible parent of twins whose Contact he will arrange when they are of age.

On his thirty-seventh mission, Commandant Tom Decker and his colleague Ensign Warner-Carr become alarmed at what they find when their spaceship lands on Planet 0243/B.

Why take the Great Circle route to Australia when you can tunnel through the very molecules of the solid earth itself in a TAU-mode shuttle? When a routine TAU-shuttle becomes entombed in solid rock miles under the earth, the only means of rescue may be the wildly experimental LAMBDA-mode shuttle; and even its creator has no idea how it will behave, or whether its pilot can keep his sanity during the rescue mission.

Earth is no more, destroyed by nuclear war; but itinerant handyman Bert Foster, wandering the canals of Mars, is possessed by a restlessness for a home which no longer exists. Perhaps the isolated outpost on Venus retains something which could satisfy this hunger; or has the madness which shattered a world merely settled in a new location?

Henry Wilkes cultivates rare tropical plants as a hobby; with an attention to detail which is, perhaps, closer to an obsession. The length to which he goes to propagate and nurture new hybrids alarms his wife. Is there more going on in the greenhouse than could safely be exhibited at the next Battersea Flower Show?

In the huge, labyrinthine nuclear bunker meant to shield the survivors in government from the aftermath of atomic war, Level 7 is the deepest and the safest from radiation. But in spite of its hermetic isolation, the nerve center of government is ultimately not safe from the consequences of the holocaust which rages miles overhead.

Allen Meredith is a brilliant scientist but too mild-mannered to make an impact or fight for the money he needs. He has invented a process to exchange minds between bodies. His ambitious wife Ann persuades him to invite his boss, the domineering Jack Gregory, to their house for dinner. Once there, they drug him and Allen swaps bodies with Jack, then goes back to work to transfer millions into his account. But meanwhile Ann is finding the combination of Jack's masculine personality in Allen's body rather attractive and they begin making their own plans.