The 124th Regiment, Ohio Voluntary Infantry was a Union Army regiment set up in the summer of 1862, occasioned by the necessity for the "300,000 more" to put down the slaveholder's rebellion (of the American Civil War). This book is a historical account of the regiment's activities during the war, as written by soldier G. W. Lewis, who later served as the Regiment's Major. It captures their major campaigns such as the Campaign of Chattanooga, the Battle of Chickamauga, The Siege of Chattanooga, The Battle of Lookout Mountain, And the Storming of Missionary Ridge.