Heres a few more,
"A lonely kind of war, FAC Vietnam" Marshall Harrison Presidio Press 1989 (Excellent)
"Life on the Line" Stories of Vietnam Air Combat Philip Chinnery 33 Stories of Individual Pilots alive and dead, also a good read....
Dustoff, Michael Novosel, Havn't read it but he won the Medal of Honor in Vietnam,
Highly recommend the Lonely Sky, Bill Bridgeman,