Book is very well explained, special tools of course all relate to Park Toll tools. But cyclists who want to maintain and service your bike or repair or need should get this book. The most important thing is very good and easy to explain, on operations of parts is less discussed, but how they adjusted, repaired or cares for and that is what matters ultimately to. You do not want to learn the trade, but an apprentice would also help more quickly and easily incorporate into the matter itself.