code: def get_book_progress(self, asin):
      
      kbp = self._get_api_call('get_book_progress', '"%s"' % asin)
      return KindleCloudReaderAPI._kbp_to_progress(kbp)
docs: Returns the progress data available for a book.
  
      NOTE: A summary of the two progress formats can be found in the
      docstring for `ReadingProgress`.
  
      Args:
        asin: The asin of the book to be queried.
  
      Returns:
        A `ReadingProgress` instance corresponding to the book associated with
        `asin`.