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Beyond This Horizon
Hamilton Felix is the ultimate man, the end product of highly refined applied genetics in a world that has long since banished disease, hunger, and war. But no one counts …

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Rocket Ship Galileo
Three teenagers and an older scientist develop their own atomic rocket, solve their own space problems and blast off for the moon in spite of mysterious setbacks.

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Space Cadet
A young man reports for the final tests for appointment as a cadet in the Interplanetary Patrol, survives the tests, studies in the school ship, and goes on a regular …

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Red Planet
Jim Marlow and his strange-looking Martian friend Willis were allowed to travel only so far. But one day Willis unwittingly tuned into a treacherous plot that threatened all the colonists …

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The Puppet Masters
Earth was being invaded by aliens and the top security agencies were helpless: the aliens were controlling the mind of every person they encountered. So it was up to Sam …

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Between Planets
The message had seemed simple, yet it was more complex than Don could have imagined. He was being called from Earth to an alien world for reasons unknown -- save …

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