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This is a review of the book, not a review of DAD. Well written, concise and easy to read short introduction to DAD. Exactly what I needed to get a basic feel for what DAD is about quickly. It deserves five stars. You will have to read more though if you want to take it further.
(As to DAD itself - personally, the jury is out until I've read more. Initial gut feel is it seems pragmatic but perhaps also a bit dubious from a pure Agile perspective - could be used as a roadmap but could perhaps also be used as an excuse to legitimise poor Agile practice? Also seems very much to be just repackaging / piggybacking on everyone else's methodologies. But as I said, not an expert on DAD).