(033250) Revell, Alex. High In The Empty Blue: The History Of 56 Squadron, RFC/RAF, 1916-1919. Mountain View, CA: Flying Machines Press, 1995. 1st Edition. Hardcover. 4to. 448 pages. Fine in Very Good DJ. DJ front panel has a vertical crease down the center from the point of a box cutter knife. About 3 inches of the cut went through the DJ and is repaired. The cut did not affect the book's front cover ISBN: 0963711032 (Great Britain, Royal Flying Corps, 56 Squadron, Aerial Operations)
