':return: the given file(s) as a list of
chapters, each encoded as a list of sentences, which are
in turn encoded as lists of word strings.
:rtype: list(list(list(str)))'

def chapters(self, fileids=None):

    return concat([self.CorpusView(fileid, self._read_para_block, encoding=enc) for (fileid, enc) in self.abspaths(fileids, True)])
