The Chosen Instrument: Juan Trippe, Pan Am, The Rise and Fall of An American Entrepreneur, by Selig Altschul and Marylin Bender (1982)
Belongs with a very few other books as an essential Pan Am reference, this very carefully researched book is a trove of factual information about Trippe and his airline.
https://www.amazon.com/Chosen-Instrument-Trippe-American-Entrepreneur/dp/0671224646