Aspen Policy Books is a series of annual publications on the United States’ most pressing foreign policy and national security issues. In 2017, the Aspen Strategy Group examined the future of the lib…

Former Ambassador John Campbell illustrates the history and importance of Nigeria, a country too often overlooked by the West.

An urgent new warning from two bestselling security experts—and a gripping inside look at how governments, firms, and ordinary citizens can confront and contain the tyrants, hackers, and criminals bent on turning the digital realm into a war zone.

John Campbell and Matthew Page provide an overview of the politics, history, and culture of Nigeria, including the threat of Boko Haram and religious conflicts.

Paul B. Stares proposes a comprehensive new strategy, "preventive engagement," for how the United States can manage an increasingly turbulent world and reduce the risk of costly military commitments.