The book "Armies of Europe" by the famous author Fyodor von Köppen is a detailed review of the military forces of European countries at the end of the 19th century. The author presents the reader with information about the number, organization, and current state of the armies of such countries as Germany, France, Russia, Great Britain, and others. The book also describes the technological advances of each army, their weapons and tactics. Fyodor von Köppen uses his extensive experience in military research to provide readers with objective and detailed information about the role of European armies in the political and military life of the countries of the continent. "Armies of Europe" is considered a classic source for those interested in the military history of Europe and the development of its military forces.