{% for book in site.data.books %}
            {% if book.title == page.title and book.author == page.author %}
                <a class="morel" href="{{ book.download }}" target="_blank" download>
                <i class="fa fa-file-pdf-o" style="padding: 1em 0em"></i></a><br>
                {% if book.epub %}
                <a class="morel" href="{{page.epub}}"><i class="fa-file-text-o" style="padding: 1em 0em"></i></a>
                {% endif %}
                {% if book.library %}
                <a class="morel" href="{{book.library}}"><i class="fa fa-book" style="padding: 1em 0em"></i></a>
                {% endif %}
            {% endif %}
        {% endfor %}