The demon-haunted world: science as a candle in the dark
Carl Sagan
Life, the Universe and Everything
Douglas Adams
Hitchhiker's Guide to the Galaxy (3)
Xenocide
Orson Scott Card
Ender Sextet (3)
2001: A Space Odyssey: 25th Anniversary Edition
Arthur C. Clarke
Space Odyssey (1)
Neverwhere
Neil Gaiman