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Extraterrestrial beings -- Fiction. 4

Space flight -- Fiction. 3

Space warfare -- Fiction. 2

Time travel -- Fiction. 2

All-Star Baseball Game -- Fiction. 1

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Armageddon -- Fiction. 1

Cold War -- Fiction. 1

Martians -- Fiction. 1

Metamorphosis -- Fiction. 1

Shapeshifting -- Fiction. 1

Space ships -- Fiction. 1

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