How to show all fields of model in admin page?

Question

here is the models page

In this picture, only the title shows up on here, I used:

 def __unicode__(self):
        return self.title;  

Answer 1

Many of the answers are broken by Django 1.10. For version 1.10 or above, this should be

list_display = [f.name for f in Book._meta.get_fields()]

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