Books are very useful, you can find out many thing reading it. Bu what do you know about books history? Did you know that in some ages books were made from wood. Those wooden books which you are going to see on pictures are probably from newer age but many older books were written and held like at this way. Now books from wood can have any interesting shapes on its front pages because of many machines which can do that. But on books which are old few hundred years shapes are made with human hands and that is what to some old wooden books gives priceless worth. Take a look at pictures of some wooden books.