The book titled ""Descriptive Key To The Painting Of The Repulse Of Longstreet�������s Assault At The Battle Of Gettysburg, July 3, 1863"" is written by John B. Bachelder. The book is a detailed description of a painting that depicts the events of the Battle of Gettysburg which took place on July 3, 1863. The painting shows the repulse of Longstreet's assault and the events that led up to it.The book...