English hizkuntza
1997ko mar. 23a(e)an argitaratua
Billions and Billions : Thoughts on Life and Death at the Brink of the Millennium
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Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium is a 1997 book by the American astronomer and science popularizer Carl Sagan. The last book written by Sagan before his death in 1996, it was published by Random House.