"The Cavalry at Gettysburg: A Tactical Study by Edward Longacre is a nonfiction book published by Fairleigh Dickinson University Press in 1986. This hardcover book measures 9 inches in length and 0.7 inches in height, with a weight of 16 ounces. It contains 344 pages and is illustrated. Written by Edward G. Longacre, this book focuses on the history of the United States during the Civil War period, specifically analyzing the tactics used by the cavalry at the Battle of Gettysburg. This detailed study is a valuable resource for those interested in military history and the pivotal events of the Civil War."