Fascinating book describing the research and development processes of all the major weapon systems used by the British in World War 2. There is nothing else quite like it. The success of the pre-war fighter programme is evident, the failure of the wartime fighter programme explained. It is easy to see the failures - the Crusader tank, the the Whirlwind fighter, and overlook the major successess, the Bailey Bridge and the Spitfire.. . . . this book covers EVERYTHING. . . . a must have if you are interested in WWII weapons systems