eXist book in Early Release

I don't normally announce products here, but since, well, it's been so 
long since I released an XML-focused title...

Erik Siegel and Adam Retter are writing _eXist: A NoSQL Document 
Database and Application Platform_.  It's not completely done yet, but 
it is available as an early release ebook with lots of content.

<http://shop.oreilly.com/product/0636920026525.do>

I had a few folks at Balisage asking about its status, and hopefully 
this is a big step forward!

If you have comments or suggestions, please feel welcome to send them to 
the authors (if you know them) or to me (if you don't).

Thanks,
-- 
Simon St.Laurent
http://simonstl.com/