The UNESCO website has two reports on progress in the Decade. There is a full version, and an abridged one. Oddly, the latter is almost as long as the former, but it has much less text and a lot of pics: the coffee table version, I guess.
I'd say it's quite a risk to produce two versions like this. For example, in the full version, the Exec summary is 2.5 pages long; in the other it's not even 1 page. It seems inevitable that some simplification must have resulted. Mixed messages, anyone?