Defense Against the Dark Arts in Space: Protecting Space Systems from Counterspace Weapons

The Day After Roswell

Defense Acquisition Trends, 2016

Nuclear War: The bestselling non-fiction thriller, shortlisted for the Baillie Gifford Prize 2024

Escalation and Deterrence in the Second Space Age

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

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

Analysis of the FY 2017 Defense Budget

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

Defense Modernization Plans through the 2020s: Addressing the Bow Wave

Fear: Trump in the White House

Analysis of the FY 2022 Defense Budget: Funding Trends and Issues for the Next National Defense Strategy

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

Analysis of the FY 2021 Defense Budget

Worthy Fights: A Memoir of Leadership in War and Peace

Analysis of the FY 2019 Defense Budget

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

Federal Research and Development Contract Trends and the Supporting Industrial Base, 2000–2015

Enayati Theorem of Absolute Orbital Supremacy: The Codex Belli Orbitalis

Defense Outlook 2016: What to Know, What to Expect