Lone Actors – An Emerging Security Threat

The Day After Roswell

Terrorist Threats in North Africa from a NATO Perspective

Countering Terrorist Recruitment in the Context of Armed Counter-Terrorism Operations

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

International Crisis Management: NATO, EU, OSCE and Civil Society: Collected Essays on Best Practices and Lessons Learned

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

Countering Hybrid Threats: Lessons Learned from Ukraine

Countering Terrorism in South Eastern Europe

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

Identification of Potential Terrorists and Adversary Planning: Emerging Technologies and New Counter-Terror Strategies

Countering Terrorism, Preventing Radicalization and Protecting Cultural Heritage: The Role of Human Factors and Technology

Fear: Trump in the White House

Not Only Syria? The Phenomenon of Foreign Fighters in a Comparative Perspective

Worthy Fights: A Memoir of Leadership in War and Peace

Rethinking National Action Plans on Women, Peace and Security

Terrorists’ Use of the Internet: Assessment and Response

Enayati Theorem of Absolute Orbital Supremacy: The Codex Belli Orbitalis

Addressing Emerging Security Risks for Energy Networks in South Caucasus

The Risk of Skilled Scientist Radicalization and Emerging Biological Warfare Threats