I attended Bardsters workshop at the last moot in 8 hrs I had a finished bow and was shooting with it. I would say if you are good with your hands and know your wood working hand tools (Butt plane, spoke shave and cabinet scraper) you could make a decent first attempt having read a good book on the subject but the best way would be to do it under some instruction at a moot or on a course, Ive got the bug now, only this weekend I was discussing my next project with friend and cant wait to get started.
Good luck
James