ok, so let it be a instructory DVD or something - but please not a book.
We
k n o w what happened when the web changed from hypertext to all this "blinky flashy soundy" I have kind of frightening feeling that the so called enhancement will develop into the same nuissances.
like "if you like this action - order the foobar trilogy by this author" yadda-yadda banners between the chapters