In September 1914 Neville Marshall gave up a successful horse treatment practice to join first the Belgian and then the British Army. His diary, dormant in family archives for 105 years, and letters describe his tumultuous war service. An Irish Guardsman, who was seconded to three Lancashire battalions, he rose in rank from 2nd Lieutenant to Acting Lieutenant-Colonel. Wounded at least nine times and awarded five gallantry medals, he revelled as well...