Longue, douloureuse, meurtrière, la Grande Guerre vit s'entre-tuer des millions d'hommes qui, la veille encore, juraient guerre à la guerre. Il furent les frères d'armes de ceux qu'ils accusaient d'être de

The author presents an historical description of the various actors prior to and during World War I, and their roles. His analysis covers the period from 1815 to 1918. Before describing the war, the first part of the book focuses on this period from 1815 to 1918 in the various countries involved, and examines the situation in France, England, the Soviet Union, Italy, and Far East. The second part of the book examines the situation of scientific process in the world during that time, and discusses advances relating to the automobile, medicine, and arms and weaponry. In the third part of the book he focuses directly on the war, examining the German offensive from 1914 to 1916, the arrival of the United States on the scene and its role in the war during 1917. Finally he addresses the defeat of the Germans.