This book is dedicated to the second stage of the Hundred Years War. The author analyzes the events of 1369-1453, explores the reasons that influenced the course of hostilities, talks about a series of unsuccessful battles, sharply contrasting with the previous victories of the British. The Battle of Agincourt, the most significant battle of this period, is considered in particular detail. The Battle of Agincourt is the main battle, but do not forget other battles of this time, instructive for military history.