11 books in all. Titles to include but are not limited to: R. Blake Stevens' "The Browning High Power Automatic Pistol" (2014 Limited Edition), Anthony Vanderlinden's "FN Browning Pistols," Ian Hogg's "German Handguns," and Lt. Col. Robert Whittington III's "German Pistols and Holsters 1934/1945: Military-Police-NSDAP."