📚 Intelligent Life in the Universe

The scientific case for and against company in the cosmos: how life might arise elsewhere, and the search that actually goes looking.

Below are the 21 works carrying the subject extraterrestrial life in the Open Library catalogue with the most editions in print. Author and first year are as the record states them; a missing year means the record does not carry one, not that the book is undated. Novels set in the subject are left out, because a list of historical fiction is not a list of history. Where one author dominates the reprint counts, no more than two of their titles appear.

Cover	Title	Author	First published	Editions
	If the universe is teeming with aliens-- where is everybody?	Stephen Webb	2002	10
	Keepers of the Garden	Dolores Cannon	1993	5
	LOOKING FOR LIFE, SEARCHING THE SOLAR SYSTEM	PAUL CLANCY	2005	3
	Doomsday Calculation	William Poundstone	2019	3
	Extraterrestrial life	Gustaf Arrhenius	1996	2
	Detecting amino acids on Mars	Jeffrey L. Bada	1996	2
	The Custodians	Dolores Cannon	1998	2
	Big Bang, zweiter Akt	Harald Lesch	2003	2
	Planetary astronomy	Conference on Origins of Life Pacific Palisades, Calif. 1970.	1973	1
	Publications of the Exobiology Program for 1984: a special bibliography	Janice S. Wallace	1986	1
	Publications of the Exobiology Program for 1985	George Washington University.	1987	1
	Publications of the Exobiology Program for 1986	U.S. Office of Space Science and Applications	1988	1
	Publications of the exobiology program for 1987	The George Washington University	1989	1
	Publications of the exobiology program for 1988: a special bibliography	U.S. Office of Space Science and Applications	1990	1
	Extraterrestrial life in the universe	Robert W. Graham	1990	1
	Publications of the exobiology program for 1989	Unknown author	1991	1
	Publications of the Exobiology Program for 1990	United States. National Aeronautics and Space Administration.	1992	1
	Mineralogical investigation of a variety of materials using analytical electron microscopy (AEM)	Friedemann Freund	1997	1
	Alone in the universe?	Wilkinson, David Rev. Dr.	1997	1
	Mass Contacts	Stefano Breccia	2009	1
	Publications of the Exobiology Program for 1991	U.S. Office of Space Science and Applications	1993	1

List built from Open Library (CC0 metadata) · retrieved 03 Nov 2026 UTC · capped at 30 works per subject.

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Want the ideas behind these books explained rather than listed? Try Study for short explainers, Academy for deeper tracks, and the periodic table or the night sky when the book is about matter or stars.