code: def get_library_progress(self):
      
      kbp_dict = self._get_api_call('get_library_progress')
      return {asin: KindleCloudReaderAPI._kbp_to_progress(kbp)
              for asin, kbp in kbp_dict.iteritems()}
docs: Returns the reading progress for all books in the kindle library.
  
      Returns:
        A mapping of ASINs to `ReadingProgress` instances corresponding to the
        books in the current user's library.