You will be pleased with it wether you are building a Baja, Street Bug, Rail Buggy or Dune Buggy. The air cooled VW motor still rules an always will!
He offers good advice, and it doesn't always involve throwing more money at the problem.
On the downside, the book was written in 1983(?) and is a bit out of date. Obviously, the VW market has changed, and the book needs to be updated.
Overall, it's a good book, and worth the money if you're building a Baja bug or a fairly stock (Class 11) racer.