This manual is created by Canon's European division. The video implementation of it is MUCH more useful than the paper-based version without question. All the features are demonstrated visually and with example shots (to see outcomes). This is essential viewing for anyone who has invested in a 40D. It isn't impossible to learn something even if you have a different model or even different brand. It gives you a basic idea of how aperture and depth of field are related, for example. There are 11 videos in total so I won't embed them all on this page. Just watch them on youtube from this link.