Check out the Post on the Forum Page just above yours!!! If you go to Wick's Builder's Booksite, click the Search Our Shelves</b> URL, then select the Carpentry/Const Tech Category in the pull-down menu, and press Find, 'Next' your way to Page 3 (of 6), where you'll see a number of books specifically related to Drywall! There are even videos. I didn't look past Page 3 but there may be more books.
If you want to go about this on your own (picking either the skim-coat Option or the demolition-and-hang Option, it would be good to read how the pros do it. Again, it's $$$ well-spent!