This book covers the astonishing technical advance of the automobile during the thirties and forties, with chapters on the major mechanical improvements - front-wheel drive, independent suspension, synchromesh, and automatic gear-boxes - and on the refinements of unitary bodywork, including the introduction of compound curves, proper ventilation, and modern aerodynamics. The authoritative text is supported by over 450 illustrations - 200 in colour - to provide the automobile enthusiast with a comprehensive record of this significant era in the history of the modern motorcar.