From the publisher. When we turn on the tap or twist open a tall plastic bottle, we might not give a second thought to where our drinking water comes from. But how it gets from the ground to the glass is far more complex than we might think. With concerns over pollution and new technologies like fracking, is it safe to drink tap water? Should we feel guilty buying bottled water? Is the water we drink vulnerable to terrorist attacks? With springs running...

"The story of our most vital resource, and how it has shaped the history of every human society, spans five millennia, from ancient Mesopotamia to the parched Sun Belt, from ancient Rome, whose mighty aqueducts still supply modern cities, to China, where emperors marshaled armies of laborers in a centuries-long struggle to tame powerful rivers. Anthropologist Fagan sets out three ages of water: In the first, lasting thousands of years, water was scarce--so...