• 4 Memorial Library
• 3 College Library

• 16 Books

• 7 Life on other planets
• 7 Space warfare
• 2 Artificial intelligence
• 2 Government investigators
• 2 Imaginary wars and battles
• 2 Murder
• 2 Sabotage
• 2 Science fiction
• 2 Siblings
• 1 Anthropologists
• 1 Antiquities
• 1 Conspiracy
• 1 End of the world
• 1 Good and evil
• 1 International relations
• 1 Interplanetary voyages
• 1 Revenge
• 1 Secret societies
• 1 Space colonies
• 1 Video games
• 1 Wormholes (Physics)

• 16 English

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