This two-volume publication explores the key factors determining the course and outcome of war in Late Antiquity. Volume 8.1 includes a detailed review of strategic and tactical issues and eight comprehensive bibliographic essays, which provide an overview of the literature. In Volume 8.2, thematic papers examine strategy and intelligence, fortifications and siege warfare, weaponry and equipment, literary sources and topography, and civil war, while papers focused on particular geographic regions home in on war and warfare in the West Roman Empire in the 4th and 5th centuries, and the Balkans and the Eastern frontier in the 4th to 7th centuries AD. Contributors are Susannah Belcher, Neil Christie, Ian Colvin, John Conyard, Jon Coulston, Jim Crow, Florin Curta, Hugh Elton, James Howard-Johnston, Jordi Galbany, Jordi Guàrdia, John Haldon, Michel Kazanski, Maria Kouroumali, Michael Kulikowski, Christopher Lillington-Martin, Marta Maragall, Oriol Mercadal, Jordi Nadal, Oriol Olesti, Alexander Sarantis, Conor Whately, Michael Whitby and John Wilkes.