1st.ed., 2002. X + 262 pp., 22 photo-plates + battle diagrams. D.j., 24 x 16cm. FINE. A study of the effect of the great naval blockade maintained by the Royal Navy throughout the First World War, not only on the enemy but also on the British themselves and on neutral countries especially the United States. The author points out that the sinking of the LUSITANIA in 1915 almost brought America into the war, but Britain’s insistence on stopping and searching US vessels and interfering with America’s European trade was in danger of drawing them in on Germany’s side. It was not just Germany’s decision to wage unrestricted submarine warfare that eventually brought a reluctant ally into the conflict, it was also Germany’s secret offer to help Mexico to re-conquer Texas, Arizona and New Mexico – picked up by British Naval Intelligence – that left President Wilson no choice but to join the British. The author also deals with the convoy question, Coronel and the Falklands, mine warfare, maritime law, aftermath of Jutland, the U-boat crisis, etc.