Royal Prussian Jagdstaffel 23, the second book in the milestone series on WWI German fighter units, their pilots, and the colors and markings of their aircraft by the authors. The book has 341 photos, hundreds of them previously unpublished, and color profiles of 68 aircraft created specifically for this book. The author has also created 17 maps showing the location of every victory and loss. The cover painting by noted artist Russ Smith was commissioned especially for this book.
