This book gives great detail on the WWI medical system, in particular Base Hospital #12 the U.S.A. unit from Chicago (Northwestern University) that ran the British Expeditionary Force General Hospital #18 in Camiers, France from June 1917 to February 1919. The book is based primarily on 243 letters from Captain (later Major) Dr. Martin R. Chase to his wife in Toulon, IL. It also contains information from yearly summaries of the hospital and several other sources, some of them very rare if not unique. The attitude and perspective of Martin R. Chase is clear from his letters. He was commander...