Have Space Suit—Will Travel

Friday

Robert A. Heinlein

1982

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Time Enough for Love

Robert A. Heinlein

1973

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The Door Into Summer

Robert A. Heinlein

1957

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The Puppet Masters

Robert A. Heinlein

1951

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The Ringworld Engineers

Larry Niven

1979

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Nightfall

Isaac Asimov

1970

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