--- /dev/null
+{% load catalogue_tags %}
+
+{% audiobook_tree orphans books_by_parent %}
+{% for author, group in books_by_author.items %}
+ {% if group %}
+ <a name="{{ author.slug }}"></a>
+ <div class="group">
+ <h2><a href="{{ author.get_absolute_url }}">{{ author }}</a></h2>
+ {% audiobook_tree group books_by_parent %}
+ </div>
+ {% endif %}
+{% endfor %}