First Along the River: A Brief History of the U.S. Environmental Movement, Fifth Edition

Spare No One: Mass Violence in Roman Warfare

Crude Reality: Petroleum in World History, Second Edition

America's Public Lands: From Yellowstone to Smokey Bear and Beyond, Second Edition

China: An Environmental History, Second Edition

The ABCs of Environmental Regulation, Third Edition

First Along the River: A Brief History of the U.S. Environmental Movement, Fourth Edition