The Amazon rain forest covers more than five million square kilometers, amid the territories of nine different nations. It represents over half of the planet's remaining rain forest. Is it truly in peril? What steps are necessary to save it? To understand the future of Amazonia, one must know how its history was forged: in the eras of large pre-Columbian populations, in the gold rush of conquistadors, in centuries of slavery, in the schemes of Brazil's military dictators in the 1960s and 1970s, and in new globalized economies where Brazilian soy and beef now dominate, while the market in...