Kenneth E. Hamburger's book, CMH Publication #24-1 Learning Lessons in the American Expeditionary Forces, provides a comprehensive analysis of the American military's experiences during World War I. Hamburger deftly weaves together primary sources, including letters, diaries, and official reports, to offer a vivid portrait of the soldiers' day-to-day struggles and triumphs. The book's scholarly approach is evident in its detailed recounting of battle strategies, medical practices, and the logistical challenges faced by the troops. The prose is clear and engaging, making it accessible to both historians and general readers interested in military history. Hamburger's work stands out for its meticulous research and insightful interpretation of the events of the Great War. This book is a valuable addition to the literature on World War I and sheds new light on the American Expeditionary Forces' role in the conflict.