What makes a car run ... A PRIMER ON PLYMOUTH dealer sales brochure, ORIGINAL. This brochure does not focus on car models, but on the important parts of a car. Simple explanations point out what those parts do ... and why and how they do it. Full of illustrations with caption explanations, i.e., smooth combustion versus knocking combustion, how spark is delivered to the cylinders, low-pressure tires absorb bumps!, and much more. Form PA-30 printed in U.S.A. and measures 11 x 9 with 24 pages. Good condition with minor wear and blemishing [see photos].