{% load i18n %}
{% load thumbnail %}
<div class="book-mini-box">
    <a href="{{ book.get_absolute_url }}">
        <img src="
            {% thumbnail book.cover "216x288" as thumb %}
                {{ thumb.url }}
            {% empty %}
                {{ book.cover.url }}
            {% endthumbnail %}
        " alt="{% trans "Book cover" %}" />
        {% for author in authors %}
            <div class="mono author">{{ author }}</div>
            {{ book.title }}
        {% endfor %}
    </a>
</div>