The book is devoted to the study of one of the little-known pages of Ukrainian history - the battle of the army of Daniil Galitsky with the crusaders near Dorogichin in 1238. Historical intelligence offers a new look at the causes and consequences of the Battle of Dorogichinsky, reveals the strategy and tactics of fighting in the army of Daniil Galitsky, as well as the peculiarities of the military affairs of knightly orders. The story is illustrated with numerous images from ancient and modern sources.