models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
book_slugs = models.TextField(_('book slugs'))
+ kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True, choices=((('book'), _('book')), (('picture'), ('picture'))))
+
class Meta:
ordering = ('title',)
verbose_name = _('collection')