Tracing the history of Heckler & Koch from its beginnings at the end of WWII to the present is what Mr. Long does in this book devoted to the evolution of this remarkable pistol. A wealth of information about sighting devices and firearm accessories to enhance the the performance and appearance of your H&K is covered as well. 5 1/2 x 8 1/2, 142 pgs, illus., softcvr.