<em>Foreign Fighters and the Extreme Right: Tracking Far-Right Volunteers Beyond the Ukraine War</em>, edited by Daniel Koehler and Miroslav Mareš. Routledge, 2026. 326 pages. $57.99. ISBN 978-1003186014

Alex MacKenzie, a scholar of politics, reviews Foreign Fighters and the Extreme Right: Tracking Far-Right Volunteers Beyond the Ukraine War, edited by Daniel Koehler and Miroslav Mareš. Foreign Fighters and the Extreme Right provides a history of foreign fighters, with a focus on the previous hundred years. Methodologically and geographically diverse, the collection includes chapters on the United States, Russia, Germany, Italy, the UK, Scandinavia, Southeastern Europe, and Eastern Europe, examining the historical and social context of foreign fighters in each region.