This is the first English language work to examine the subject in detail and the first in any language to identify, describe, and quantify variations and production figures for the models covered. The book focuses on the Czechoslovak Communist period (1948-1989), but reaches back into the 1930s in order to trace the history of the 6.35 mm Duo pocket pistol, which remained in production under the name "Z" until 1974 with a total of thirteen distinct marking variations, and the 6.35 mm model 1945, which had its beginnings as the model 1936. The 7.65 mm model 50 police pistol and its successor,...