Check out the following book, I have bought a few over the years and this is the most usefull. Very handy, never leaves my desktop, it covers everything from beginner right through to complete expert in an easy to understand way. 'Fast Guide to Cubase SX' by Simon Millard
http://www.amazon.com/gp/product/1870775988/sr=8-4/qid=1153750871/ref=pd_bbs_4/103-5295795-6359817?ie=UTF8