The Plattsburg Manual: A Handbook For Military Training, written by Olin Ogelsby Ellis and first published in 1917, is a comprehensive guide to military training for young men. The book was written in response to the United States' entry into World War I and the need for a well-trained military force. The manual covers a range of topics, including basic military tactics, marksmanship, drill and ceremony, and physical fitness. It also includes sections...