Price increase - US$30
Automotive Aerodynamics - Progress in Technology Volume 16. Published 1977 by the SAE. Good readable copy.
Has some of the classic papers in it - eg Dodge Daytona wing car, history of car aero, paper by Hucho.
Selling only because I ended up with two copies!
US$30
I am in Australia but will post worldwide. Likely postage cost to northern hemisphere about US$30 but will quote individually.
Payment by PayPal.