As the author himself underlines the Anfeng of the book, can be found in the book no new ideas, there are only hints and suggestions for creative exploration of the environment. It is yet beautiful collection of ideas on this issue to have a book. For example, calls Keri Smith to produce a collection of photos or drawings of the cracks in the asphalt, or an acoustic map.
The book is very exciting and you do not need a lot of resources to do the exercises from the book. At the end there are a few pages for personal Notitzen and a bibliography with sources that has taken the author, so that you can investigate itself even further.
Of particular interest is the book for working with children, but an adult can have a lot of fun with the book. Particularly creative people who want to play with their creativity a little bit, will like this book.