Without the complex military machine that his forebears had built up over the course of the eighth century, it would have been impossible for Charlemagne to revive the Roman empire in the West. Early Carolingian Warfare is the first book-length study of how the Frankish dynasty, beginning with Pippin II, established its power and cultivated its military expertise in order to reestablish the regnum Francorum , a geographical area of the late Roman period that includes much of present-day France and western Germany. Bernard Bachrach has thoroughly examined contemporary sources, including court chronicles, military handbooks, and late Roman histories and manuals, to establish how the early Carolingians used their legacy of political and military techniques and strategies forged in imperial Rome to regain control in the West. Pippin II and his successors were not diverted by opportunities for financial enrichment in the short term through raids and campaigns outside of the regnum Francorum; they focused on conquest with sagacious sensibilities, preferring bloodless diplomatic solutions to unnecessarily destructive warfare, and disdained military glory for its own sake. But when they had to deploy their military forces, their operations were brutal and efficient. Their training was exceptionally well developed, and their techniques included hand-to-hand combat, regimented troop movements, fighting on horseback with specialized mounted soldiers, and the execution of lengthy sieges employing artillery. In order to sustain their long-term strategy, the early Carolingians relied on a late Roman model whereby soldiers were recruited from among the militarized population who were required by law to serve outside their immediate communities. The ability to mass and train large armies from among farmers and urban-dwellers gave the Carolingians the necessary power to lay siege to the old Roman fortress cities that dominated the military topography of the West. Bachrach includes fresh accounts of Charles Martel's defeat of the Muslims at Poitiers in 732, and Pippin's successful siege of Bourges in 762, demonstrating that in the matter of warfare there never was a western European Dark Age that ultimately was enlightened by some later Renaissance. The early Carolingians built upon surviving military institutions, adopted late antique technology, and effectively utilized their classical intellectual inheritance to prepare the way militarily for Charlemagne's empire.

Throughout the history of Western civilization, war, preparation for war, and its aftermath have dominated the use of surplus human and material resources. Yet, despite our recent history, the brute facts of military history are too often ignored by those who have instead sought to provide a more ideal understanding of the Middle Ages in Europe. This predilection for chivalry at the expense of logistics and for "just war theory" at the expense of military technology have distorted both scholarly and popular understanding of the role played by military matters in the Middle Ages. The aim of the fourteen articles reprinted here is to help provide a more balanced view, offsetting notions of romanticism and an anthropologically inspired primitivism of a Dark Age in pre-Crusade Europe. Particular topics include: the survival of Classical influences into the early Middle Ages; the strategy of castle-building in the early Angevin domains; and William the Conqueror's preparations for the invasion of England.

In the late sixth century Gundovald, a Frank of royal blood, returned from a lengthy exile in Italy and Constantinople to establish a regnum in the southwestern part of Gaul. His half brother, Guntram, who ruled the neighboring Burgundian region, vigorously opposed this intrusion. In this fascinating narrative, Bernard Bachrach provides a comprehensive reinterpretation of the dramatic attempt by Gundovald to succeed to the Merovingian throne with the help of the Byzantine Empire. Gundovald, a Merovingian prince, was rejected by his father, King Chlotar I, and declared not to be of royal blood. His association with the Byzantine Empire led Guntram to regard him as an "imperial puppet." In addition to examining the highly controversial diplomatic machinations behind Gundovald's bid for power, Bachrach breaks new ground with a thorough assessment of the strategy, tactics, and military technology of the "little war" fought between Gundovald's supporters and the armies of King Guntram. This conflict ended with the siege of the old Roman fortress city of Convenae in the foothills of the Pyrenees.