The book "Campaign at Koniggretz: A Study of the Austro-Prussian Conflict in the Light of the American Civil War" is written by Arthur L. Wagner. In this work, the author draws attention to the Battle of Koeniggretz, which took place in 1866 as part of the Austro-Prussian War, and analyzes the events of this conflict taking into account the military tactics, strategies and technologies of that time. The author compares the Austro-Prussian War with the American Civil War, revealing similar and distinctive features in the conduct of hostilities and the impact of these events on the further course of history. The book "Campaign at Königgretz" is an interesting study for those who are interested in military history and are looking for a deeper understanding of the events of the 19th century.