There have been many biographies written about Paul Mantz. Most of them are not extensive. There is only one book that has been written called “Hollywood Pilot” by Don Dwiggins in 1967 — however, something may be in the works (give a few more years).
While the book “Hollywood Pilot” is filled with a lot of information about Paul becoming a great pilot, there is still a lot to know about Paul Mantz.
For the mean time, here are some links to some short “Web” biographies: