{% for p in first_page %}

first

{% else %} {% endfor %} {% for p in previous_page if current_book==p.book.title %}

back

{% else %} {% for p in front_page %}

back

{% endfor %} {% endfor %} {% for p in next_page if current_book==p.book.title %}

{% else %} {% for p in front_page %}

{% endfor %} {% endfor %} {% for p in last_page if current_book==p.book.title %}

latest

{% else %} {% endfor %}