For books on Australian Flying Corps pilots;
High Adventure -
Arthur Cobby.
From Khaki to Blue - Ray Brownell.
From Private to Air Marshall -
George Jones.
Australian Air Ace - "Jerry" Pentland.
QANTAS Rising - Hudson Fysh.
D'Air Devil - "Pard" Mustard.
Most of these are out of print but can be tracked down through ABE, Amazon etc.
Regards,
Andrew.