{% with obj.get_books.count|add:-5 as more %}
{% if more > 0 %}
<a href="{{ obj.get_absolute_url }}">
- {% blocktrans with c=more %}and {{ c }} more{% endblocktrans %}
+ {% blocktrans count c=more %}and one more{% plural %}and {{ c }} more{% endblocktrans %}
</a>
{% endif %}
{% endwith %}
-
</div>
{% endspaceless %}