Crecy, Poitiers, Agincourt ... the history of the Hundred Years' War, as it is taught, is punctuated only by great land battles, rides across France, sieges of towns and fortresses. Reading these accounts, one cannot imagine that this long conflict was also a naval war, that squadrons clashed on the seas, that many merchant ships were sunk or captured, that entire armies landed on the beaches. of Normandy, in the same place as the Allies in 1944. Guy Le Moing recounts here the Hundred Years War at sea, the naval and amphibious operations to which it gave rise, the adventure of the official fleets as well as that of the privateers. An unprecedented and fascinating epic, based in large part on the accounts of the chroniclers of the time.