part_name = models.CharField(max_length=255, verbose_name=_('part name'), help_text=_('eg. chapter in a novel'),
default='', blank=True)
index = models.IntegerField(verbose_name=_('index'), default=0, help_text=_('Ordering of parts of a book.'))
part_name = models.CharField(max_length=255, verbose_name=_('part name'), help_text=_('eg. chapter in a novel'),
default='', blank=True)
index = models.IntegerField(verbose_name=_('index'), default=0, help_text=_('Ordering of parts of a book.'))