There isthe book and the WIKI of Reinventing Organizations is a great example of how the members of a Community of Practice (experts in organizational design) work together to create something that will transcend the book (which is absolutely fabuleous). Collaboration3.0. that's called.  Next to the WIKI initiative, a platform for sharing thoughts,insights, experiences..has been set up for members who want to contribute.

There's also the illustrated and and new version of the book.

And the Facebook group.