Found on a design blog for 3 years now is this book on my shelf and I am happy still regularly about! Since the book was produced in China and is very expensive for the really low price you can tell in some areas the rigor, for example, sometimes stuck with me pages or popups to each other because the book was evidently freshly closed after manufacture, but I was able to parts without damage disengage. You just have to look after receipt once, after that it is preparing a long time. Not only for designers, even for children!