The Two German States and European Security

Shadow Government: How the Secret Global Elite Is Using Surveillance Against You

Resources and Strategy

The Main Enemy: The Inside Story of the CIA's Final Showdown with the KGB

The Day After Roswell

The Rise of Political Islam in Turkey

This Is How They Tell Me the World Ends: Winner of the FT & McKinsey Business Book of the Year Award 2021

Democratization in the Arab World: Prospects and Lessons from Around the Globe

Fear: Trump in the White House

Countering the New Terrorism

The Storm Before the Calm: America's Discord, the Coming Crisis of the 2020s, and the Triumph Beyond

Brotherhood of Warriors: Behind Enemy Lines with a Commando in One of the World's Most Elite Counterterrorism Units

Worthy Fights: A Memoir of Leadership in War and Peace

Circle of Treason: CIA Traitor Aldrich Ames and the Men He Betrayed

The Convergence Doctrine

Spam Nation: The Inside Story of Organized Cybercrime—from Global Epidemic to Your Front Door

Neoclassical Realist Theory of International Politics

Private Armed Forces and Global Security: A Guide to the Issues

World on the Brink: How America Can Beat China in the Race for the Twenty-First Century

The Weaponisation of Everything: A Field Guide to the New Way of War