layout: page


{% assign items_grouped = site.books | group_by: page.criterio | sort: ‘name’ %}

{% for group in items_grouped %}
  <h3>{{group.name}}</h3>
  {% for item in group.items %}
      <a href="{{ item.url }}" title=""><p>{{item.title}}</p></a>
  {% endfor %}
{% endfor %}