I got the one put out by Bicyling Magazine: it not only uses Real photos so you can compare your bike part with an actual photo, but it covers all bikes from road to recumbent. I've used it so much it now has grease on some of the pages!
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, champagne in one hand, strawberries in the other, body thoroughly used up, totally worn out and screaming: "Yeah Baby! What a Ride!"