In reply to the real dr gav: Most of the books & references I have are now a bit dated & I doubt if you'd find them outside a university library. Glancing at my shelves the following are fairly recent
Nature of the Cairngorms (Shaw & Thompson) - first couple of chapters give a introduction but limited to the Cairngorms
Managing Scotland's Environment (Warren) - especially the first few chapters
For history of forests see almost any of the recent books by Chris Smout on forest/woodland history
While searching for the title of my favourite (now out of print) book on geology & landscape I came across this which sounds good
Geology and Landscapes of Scotland (Con Gillen) while
McKirdy, Alan Gordon, John & Crofts, Roger (2007) Land of Mountain and Flood: The Geology and Landforms of Scotland. is by some colleagues