Beneath Flanders Fields: The Tunnellers' War 1914-1918 Peter Barton
This highly illustrated, definitive, important, book is the first full account of the British and German mine warfare of the Ypres Salient combining personal testimonies of the tunnellers themselves with details of the workings, giving the reader a new insight into this most secret of all Great War battles and incorporating a host of previously unpublished archive photographs.