Philip K. Dick 
Second Variety 

In Second Variety, UN forces have retreated to a moon base in the aftermath of early Soviet victories in a nuclear conflict. In response, the UN forces developed special robots, called Claws, which feature spinning blades and rudimentary artificial intelligence. Six years later, the Soviet leadership asks for negotiations to end the war. A UN officer travels back to earth to discover that not only have the Claws learned to replicate themselves, they have also created a much deadlier cyborg that threatens humanity itself. The inspiration for the movie Screamers.

About the author

Philip K. Dick (1928-1982) – was a prolific novelist, essayist and short story writer – having published approximately 44 novels and 121 short stories. His works have been turned into numerous popular films, including Total Recall, Minority Report, and The Adjustment Bureau. He won a Hugo Award in 1963 for his novel The Man in the High Castle and has been named as one of the hundred greatest English-language writers by Time magazine.