profesional reading material
I think the book Photoshop Professional by Dan Margulis would be useful.
The Ansel Adams book in which he discusses 40 (I think that is the number) specific photos would also be useful I believe. In it he talks about many things he does that have digital parallels.
|AF4_2483 Surfing the Serengeti by DaveInHouston|
from Hot Air Balloon view
|Peregrine Falcon by Psychic1|
from Best Wildlife Photo of the Week - 4