That is true but Bitcoin content is spread all over the place, it is inconsistent in content and form and not written in a way that you can enter "easy" and go to the "hard" stuff by reading further. I think a book would have some advantages on that score.

Imoh a good in depth book about Bitcoin would be a great thing. Even better if it gets updated continuously. Better still if its free (CC0 for example). Right? Right!
I have started a LaTeX GitHub repository (https://github.com/TBoehm/Bitcoin-for-Dummies) which we can use for collaborative writing. Also I have added a tip4commit (http://tip4commit.com/projects/660) in order to incentivise those "busy developers" to write some lines of text as well as enable people to directly support this project.

What do you think?