10 Best Books Written by Carl Sagan
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5.The Dragons of Eden
Speculations on the Evolution of Human Intelligence
1977 pub |271 pages
View on Amazon6.Billions & Billions
Thoughts on Life and Death at the Brink of the Millennium
1997 pub |296 pages
View on Amazon7.The Varieties of Scientific Experience
A Personal View of the Search for God
2006 pub |284 pages
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