John Blacker 
Have You Forgotten Yet? [PDF ebook] 
The First World War Memoirs of C.P. Blacker MC, GM

The story of an infantry officer on the Western Front, of the Fourth Battalion of the Coldstream Guards who was awarded the MC. At first he had a relatively safe posting but this preyed on his conscience and asked for front-line duty. This he experiencced in large meaure and his account is hugely well worth reading. The book ends with a moving description of the liberation of French towns which had been under German occupation for four years.