He is completing a book about Winston Churchill’s diplomacy, Churchill as Appeaser: The Bulldog’s Prudence, 1931-1935.
He has written five books. His latest book is How to Survive a Hostile World: Power, Politics and the Case for Realism, published with Stanford University Press, 2025.
His book Blunder: Britain's War in Iraq was shortlisted for the British Army Military Book of the Year Prize, 2019.
He also wrote The False Promise of Liberal Order: Nostalgia, Delusion and the Rise of Trump; The Global Village Myth: Distance, War and the Limits of Power and Military Orientalism: Eastern War through Western Eyes.
His work has appeared in academic journals including International Security, Security Studies, the Journal of Strategic Studies, International Affairs and Journal of Global Security Studies.
In the wider public domain, he has written for The Critic, where is he Contributing Editor, as well as The New Statesman, Literary Review, First Things, The Washington Quarterly, The National Interest, Politico, Unherd, and Australian Financial Review.