The Fourth Battalion, The Royal Lancaster Regiment in the Great War is a research book about the lives and exploits of the soldiers of the Fourth Battalion, which formed part of the Royal Lancaster Regiment during the First World War. The authors - Walter FA Wadham and J. Crossley, reproduce the events and battles, the participation of soldiers in difficult combat actions, their self-sacrifice and heroism. The book describes in detail the difficult trials faced by the military in various military operations and on the fronts. With the help of archival materials, eyewitness accounts and personal documents, the authors created a vivid image and a historically reliable narrative about the service and exploits of the battalion during the world conflict. The Fourth Battalion, The Royal Lancaster Regiment in the Great War is an important book that helps to better understand the contribution of the British military to the victory of the Entente forces over the Central Powers in 1918.