Original 1916 pocket size 6 1/4" X 4 1/4". F. A. Drill Regulations. Volumes 1 & 2. Provisional Drill and Service Regulations for Field Artillery. (Horse and Light). Washington Government Printing Office. Sidney Wertimer. This is a used soft-cover book. Perfect for the large jacket pocket of a soldier. There are some notations in pencil on a few pages. It is filled with fascinating information about horse care and a great deal of information for all horse riders. Detailed instructions on how to ride and maneuver the horse. Great book to just read.