What to Expect When No One’s Expecting: America’s Coming Demographic Disaster by Jonathan V. Last
The Quest: Energy, Security, and the Remaking of the Modern World by Daniel Yergin
Sustainable Energy—Without the Hot Air by David J.C. MacKay
Global Catastrophes and Trends: The Next Fifty Years by Vaclav Smil
The Black Death and the Transformation of the West by David Herlihy, edited and with an introduction by Samuel K. Cohn, Jr.