Say I have a Reader model that has a foreign key to a Book

class Reader(models.Model):
  book = models.ForeignKey(Book)


Now say I want to find all books and order them by the number of
readers.  Is that possible, ie something like this?

Book.objects.all().order_by(reader_set__count)

This syntax doesn't work, however.  Is this possible?

Margie

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