The book "The Forty-Third Regiment of the United States of America Colored Troops" by Jeremy Marion Mickley is a historical work that tells the story of the participation and contribution of African-American soldiers in the American Civil War. The book describes in detail the formation and combat path of the 43rd Regiment of Colored Troops, revealing important aspects of the life and service of the soldiers of this unit. The author guides the reader through the battles, trials and victories of the regiment, paying due tribute to its bravery and self-sacrifice. The Forty-Third Regiment of United States Colored Troops is an important historical book that reveals the key role African Americans played in the struggle for freedom and justice.