• 41 Memorial Library
• 7 MERIT Library
• 4 Cooperative Children's Book Center (CCBC)
• 3 College Library
• 1 ILL Library

• 116 Books
• 3 Sound Recordings

• 2 Compact Discs

• 31 Life on other planets
• 12 Human-alien encounters
• 11 Interplanetary voyages
• 11 Space warfare
• 8 Science fiction
• 8 Survival
• 5 Telepathy
• 4 Extraterrestrial beings
• 4 Hindu gods
• 3 Artificial intelligence
• 3 Dragons
• 3 Dystopias
• 3 Murder
• 3 Pern (Imaginary place)
• 3 Siblings
• 3 Social problems
• 3 Women astronauts
• 2 Asteroids
• 2 Authors
• 2 Charitable uses, trusts, and foundations
• 2 Collisions with Earth
• 2 Colonies
• 2 Comets
• 2 Corporations

• 6 McCaffrey, Anne
• 6 Scalzi, John, 1969-
• 5 Card, Orson Scott
• 5 Robinson, Kim Stanley
• 5 Stross, Charles
• 4 Reynolds, Alastair, 1966-
• 4 Zelazny, Roger
• 3 Bova, Ben, 1932-2020
• 3 Kowal, Mary Robinette, 1969-
• 3 McAuley, Paul J
• 3 Ness, Patrick, 1971-
• 3 Steele, Allen M
• 2 Ashton, Edward (Science fiction writer)
• 2 Brown, Pierce, 1988-
• 2 Cherryh, C. J
• 2 Friedman, C. S
• 2 Gibbs, Stuart, 1969-
• 2 MacLeod, Ken, 1954-
• 2 McCaffrey, Todd, 1956-
• 2 McDevitt, Jack
• 2 Onyebuchi, Tochi
• 2 Paolini, Christopher
• 2 Pohl, Frederik
• 2 Resnick, Michael D
• 1 Anderson, Kevin J., 1962-

• 116 English
• 1 Chinese
• 1 Spanish

• 8 Moon
• 5 Mars (Planet)
• 2 Earth (Planet)
• 2 Lune
• 2 Mars (Planète)
• 2 Outer space
• 1 Amsterdam
• 1 Amsterdam (Netherlands)
• 1 Italy
• 1 Jupiter (Planet)
• 1 Netherlands
• 1 Nigeria
• 1 North Dakota
• 1 Spirit Lake Tribe, North Dakota
• 1 Uranus (Planet)

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