Captain Frank M. Briggs: A Pioneering Pan American Pilot, by Patrick A. Briggs (2012)
Captain Frank M. Briggs - A Pioneering Pan American Pilot is the biography of a young Naval pilot who joined Pan Am in the mid-1930s during the romantic years of international aviation. His career spanned the days of the great flying boats to the modern jumbo jets.
https://www.amazon.com/Captain-Frank-M-Briggs-Pioneering/dp/1480137944