Title: Simple, useful,straight to the point
Product review: The book is just what I was looking for - simple and short, yet effective and precise. It contains just enough intro on the scientific background on how plants purify the air, it gives some info on how this has been tested, it gives practical advices on how to use plants and finally it rates the tested plants according to four criteria of effectivness (removal of chemicals,transpiration rate, ease of growth/maintenance,resistance to insects).Great for reference with some great pictures and guide how to take care of each particular plant. Simply great!
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