"Yermak. The Conqueror of the Siberian Kingdom" is a book that tells the story of one of the most famous Cossacks, Ivan Yermak, who led a Cossack division in a campaign to Siberia in the 16th century. The author investigates the events preceding the judicial campaign of Yermak and his team, describes the battles, strategy and tactics of military operations. The book reveals the character and strong-willed qualities of the Cossack chieftain, his relations with other leaders, his influence on the politics and diplomacy of that time. This is a fascinating historical book that reveals complex and interesting pages of Ukrainian and world history.