370 pages - 6-1/4" X 9-1/2" - February, 1933 quarterly - Volume XXXI.  No. 1 - published quarterly - February, May, August & November by Chilton Company - The Automotive Industria Red Book was established in 1903

Great ads from automotive parts supply companies
Ads for: Borg & Beck, Willard Storage Batteries, Strom Steel Ball Co, Shuler Front Axles, Delco-Remy, Mogul Federal, Detroit Cover Co., Norma-Hoffmann Precision Bearings,Bendix Brakes, Lockheed Hydraulic, Standard Steel Spring Co., BK Vacuum Power Brakes,Precision Castings Company, Inc., Stromberg Carburetors, Marvel Carburetor Co, Ohio Crankshaft, Curtis Clutch Discs. Union Switch and Signal, Atlas Drop Forgings, Cleveland Hardware and Forging, Blood Brother Machine Co., Hors, Oldberg Mufflers Mufflers.
Burgess Battery and Muffler Company,Stamped Metal Parts

The above is just a partial listing but you get the idea - if it pertained to automobile parts supply and repair it was in this book.  How many of these companies are still in existence?