def add_item_to_library(self, item):

        feed = LIBRARY_FEED % 'me'
        return self.Post(data=item, uri=feed, converter=books.Book.FromString)
Add the item, either an XML string or books.Book instance, to the 
dataset/ETHPy150Open CollabQ/CollabQ/vendor/gdata/books/service.py/BookService.add_item_to_library