As soon as you finish writing your e-mail message, let alone writing a book, the world will have have changed. I have seen Fodor's book. It is already outdated. One person's content that is worthless to most is a goldmine to another. But teach the reader the how to use the facility and apply your ideas on the WWW, not through cutting down more trees.
Life is a moderately good play with a badly written third act.
The idea that anyone can write a guide book to the Web is pretty humorous in my opinion. Probably the first step is to get more people automated. Life is a moderately good play with a badly written third act.