it easier if it is a digital (easy to share to everyone) but if the book just have the physic options it quite hard to find the represent one willing buy and scan it (are you comfortable to spend money to physic but just get the digital) as I said if you have the specific title of the book maybe I can help to find PDF version of this, but hey, there are a lot of course in OCC u can learn from mate, (sorry because english isn't my main language so sometime I can't explaint it in the right way