Bestselling Austrian author Dr. Erwin Thoma reveals a wealth of knowledge regarding trees, forests and wood. Through the illness of their sons, his family discovered that some modern building materials can cause serious health problems. On their quest to establish a healthy home environment, Erwin tried out his grandfather's traditional methods. He replaced all plywood and chipboard in their home with natural timber and the boys regained their health. In this, his first book translated into English, you will find interesting and amusing stories that reveal Erwin's wealth of knowledge...