Police Operation
- Genres: Short stories
- Languages: English
- Provider: Librivox
- Price: $0.00
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H. Beam Piper (1904–1964) was an American science fiction author. He wrote many short stories and several novels. He is best known for his extensive Terro-Human Future History series of stories and a shorter series of "Paratime" alternate history tales. (Summary from Wikipedia)
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