def assemble_tlg_author_filepaths():
    """Reads TLG index and builds a list of absolute filepaths."""
    plaintext_dir_rel = '~/cltk_data/greek/text/tlg/plaintext/'
    plaintext_dir = os.path.expanduser(plaintext_dir_rel)
    filepaths = [os.path.join(plaintext_dir, x + '.TXT') for x in TLG_INDEX]
    return filepaths