Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium by Carl Sagan
Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium
—
Carl Sagan
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Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

Carl Sagan

320 pages • first pub 1997 (view editions)

nonfiction philosophy science challenging informative reflective slow-paced
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