Title: {{ book.title }} <br>
{% if book.subtitle %}
	Subtitle: {{ book.subtitle }} <br>
{% endif %}
ISBN: {{ book.isbn }} <br>
{% for person in people  %}
	{{ person.relation }} : <a href=/person/{{person.person.id}}>{{ person.person.first_name }} {{ person.person.last_name }}</a> <br>
{% endfor %}