Carl Sagan, Ann Druyan - Science - 2011 - 528 pages
"Dazzling...A feast. Absorbing and elegantly written, it tells of theorigins of life on earth, describes its variety and charaacter, and culminates in a discussion of human ...
Carl Sagan, Richard P. Turco - History - 1990 - 499 pages
An analysis of the potentially devastating consequences of nuclear war discusses the environmental impact of nuclear winter and proposes changes in international nuclear policies