I don't see any problem with this, it clearly states that the articles are from Wikipedia. As long as they don't change the license they can more or less rework

I don't see any problem with this, it clearly states that the articles are from Wikipedia. As long as they don't change the license they can more or less rework and distribute it however they like. There are also others doing similar things. http://www.wissenmedia.de/wissenmediaverlag/verlagsprogramm/verlagsprogramm/titelinformationen/buch/320/16.html http://www.wissenmedia.de/wissenmediaverlag/verlagsprogramm/... http://pediapress.com/ http://pediapress.com/