image of Robert A. Heinlein

Robert A. Heinlein

Popularity Prediction Title
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Expanded Universe

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Assignment in Eternity

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Rocket Ship Galileo

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Variable Star

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Waldo and Magic, Inc

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The Menace from Earth

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Grumbles from the Grave

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The Notebooks of Lazarus Long

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Revolt 2100 & Methl

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Requiem: and tributes to the Grand Master