Food in War Time by Graham Lusk is a comprehensive exploration of the critical role food plays during periods of conflict, particularly focusing on the challenges and strategies of food supply, nutrition, and rationing during World War I. Drawing on scientific expertise and practical observation, Lusk delves into the impact of war on agriculture, food production, and distribution, highlighting the necessity of efficient resource management to sustain both military forces and civilian populations. The book examines the nutritional requirements of individuals under the strains of war, the importance of conserving staple foods, and the adaptation of diets to meet shortages. Lusk discusses the psychological and social effects of food scarcity, the development of substitutes, and the mobilization of national efforts to prevent famine. Through detailed analysis and accessible language, Food in War Time offers valuable insights into the intersection of science, policy, and daily life, emphasizing the vital importance of food security in maintaining morale and resilience during times of national crisis. This work remains a significant historical document, shedding light on the ingenuity and determination required to overcome the formidable challenges of wartime sustenance.