He clearly explains things and is aided by superb line drawings. I find these are much, much better than photos because they can show more by using cutaways, exploded diagrams and so on. There is a new edition due this summer but my copy is 9 years old and still damn useful so you won't miss out by buying it now.
The best book I've seen is [ame="http://www.amazon.co.uk/Zinn-Art-Road-Bike-Maintenance/dp/1931382697/ref=sr_1_1?ie=UTF8&s=books&qid=1232982918&sr=1-1"]Zinn and the Art of Road Bike Maintenance[/ame].
He clearly explains things and is aided by superb line drawings. I find these are much, much better than photos because they can show more by using cutaways, exploded diagrams and so on. There is a new edition due this summer but my copy is 9 years old and still damn useful so you won't miss out by buying it now.