- Rocky (Edward W.) Kolb -- Blind Watchers of the Sky: The People and Ideas That Shaped Our View of the Universe
- Galileo Galilei -- Dialogue Concerning the Two Chief World Systems: Ptolemaic and Copernican (trans: Stillman Drake)
- Kip S. Thorne -- Black Holes and Time Warps: Einstein's Outrageous Legacy
- Steven J. Dick -- Life on Other Worlds: The 20th-Century Extraterrestrial Debate
- Alan H. Guth -- The Inflationary Universe: The Quest for a New Theory of Cosmic Origins
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