Helicopter action books
A quick check of the book box (yet to be unpacked again!!) reveals some of the above, but also try:
HAWKS - Andrew Grant, based on the venison wars in NZ's south-west
and for those interested in a bit of chopper history:
CHASING LAST LIGHT - Pearl Ogden, Australian aerial mustering 1968-1978
THE CHOPPER BOYS and THE HELICOPTER HUNTERS - Rex Forrester, NZ deer industry (next to read)
LSA69