The national nutrition is giving Great Britain even more concern than it is giving us, because they have many more problems than we do. In the practical approach to these problems, books like that of Walworth are invaluable. He is concerned not so much with the medical aspects of nutrition as with agricultural and economic problems. His book provides an analysis of the nutritional situation before the great war, with a complete study of marketing experiments in foods and a study of attempted control of the meat supply, the wheat supply and the dairy supply, with special chapters on potatoes, sugar, eggs and poultry and a concluding chapter on the problems of feeding the nation in peacetime and in wartime. The author is seriously opposed to economic nationalism and feels that peace can never be won if attempts are made by producers to enforce continuance of high price policy. Mr.