def build_recovery_online_url(self, book_name, book_chapter):
        """
        Returns a string composing the url of the online.recoveryversion.bible
        of the given book name and chapter
        TODO: Write notes here about how that URL is composed, and what is expected
        by online.recoveryversion.bible
        """
        base_url = "http://online.recoveryversion.bible/txo"
        return "{}/{}_{}{}.htm".format(
                                base_url,
                                self.get_book_number(book_name),
                                # Spaces are removed to deal with book names
                                # that include a number. i.e. 1 Corinthians
                                book_name.replace(" ", ""),
                                book_chapter)
Returns a string composing the url of the online.recoveryversion.bible
        of the given book name and chapter
        TODO: Write notes here about how that URL is composed, and what is expected
        by online.recoveryversion.bible