it's easy and tough. one of those projects that if your first time, you'll find yourself taking 10 steps backwards many times during.
I suggest Larry's book and an ultra sonic cleaner. I just finished mine (though not finished) in about 5 days, originally thought it would be 1 or 2 days.
I also suggest taking many pictures and keeping your parts organized. Make it even easier for yourself, and buy a "complete" rebuild carb kit off ebay (with jets/o-rings/gaskets/etc)