One of the noteworthy books of the past few months. The author, who served as a British naval officer during the world war, has become since then a convinced pacifist and prominent leader of the British Labor Party. The strongest part of the book is the disillusioning survey of the world scene and the examination of the possible danger spots in the existing situation--Anglo-Russian antagonism, the Balkan cockpit, the Mediterranean problem, Franco-German differences, and Anglo-American rivalry in the field of raw materials. The writer makes it quite clear that no peace can be hoped for until war is really outlawed. The League, he believes, is quite ineffective and cannot be depended upon. What he suggests is combined economic pressure on any law-breaking state, but the details of his proposal are by no means entirely convincing.