The list of aircraft related books I have.
Apache by Ed Macy
Hellfire by Ed Macy
A Nightmare's prayer by Michael Franzak
Strike Eagle:Flying the F-15E in the golf (:P) war. William Smallwood
Warthog: William smallwood
Immediate response by Mark Hammond
Joint Force Harrier by James Barrington
Sweating the metal by Alex Duncan. (Not recommended, his ego's ridiculous even for a pilot. :D
101 Great Fighters
50 aircraft that changed the world.
Main Battle Tank by Niall Edworthy
When Thunder rolled: An F-105 pilot over vietnam by Ed Rasimus
Vipers in the storm (fantastic book) by Kieth Rosenkranz
Pathfinder First in Last out by Richie Burns. Although not a pilot his job was controlling helicopters and is well worth a read
A lonely kind of war: Forward air control Vietnam by Marshall Harrison. Nice book.
Low level hell: A scout pilot in Vietnam by Hugh Mills
Chickenhawk. Great book.
I think the best are Apache, Hellfire, A nightmare's prayer, Strike Eagle and Warthog.
EDIT: Forgot Dressed to kill, thanks Bushmanni. Interesting to see a person who is more concerned about the enemy and isn't a soldier for as long as possible.
Thanks to Aries I've grabbed A-10 over Kosovo and although I found it hard to get into I now think it's great. Love the stories.