The 7th edition of The World Atlas of Wine was released in October 2013 to such high pre-orders that a reprint was undertaken immediately. The text and maps have been comprehensively reviewed since the previous version, released in 2007. An additional innovation is the existence of an iBook version. This has been specially designed for the iPad and includes the capability of zooming in on the maps to see unprecedented detail.
You can read more about this landmark publication at its dedicated website.