It’s just a fascinating idea. A book. An ebook. That can be edited by anyone, anywhere, anytime. And a collection of these, available at a website. Only wikimedia can do that.
The concept which I believe has been conveyed by now is one of the best merits that internet has brought to human beings. No writer may be complete by himself. But the latest form of literature removes that problem – of the incompleteness.
So, to read complete books, go to wikibooks