<article class="book-card">
  <header class="grid-item">
    <hgroup>
      <h5>{{ book.title }}</h5>
      <p>{{ book.author }}</p>
    </hgroup>
  </header>
  <img class="cover" src="/cover/{{ book.id }}" alt="book cover">
  <footer>
    <form>
      <fieldset role="group">
        <details class="dropdown">
          <summary role="button" class="outline">
            Download 
          </summary>
          <ul>
          {% for format, _ in book.formats %}
            <li><a href="/book/{{ book.id }}/{{ format }}">{{ format }}</a></li>
          {% endfor %}
          </ul>
        </details>
      </fieldset>
    </form>
  </footer>
</article>