diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index 1eb81e30..b273ef9e 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -1,4 +1,12 @@
 {% extends is_xhr|yesno("fragment.html", "layout.html") %}
+{% block header %}
+    <meta property="og:type" content="book" />
+    <meta property="og:title" content="{{ entry.title|truncate(35) }}" />
+    {% if entry.comments|length > 0 and entry.comments[0].text|length > 0 %}
+      <meta property="og:description" content="{{ entry.comments[0].text|striptags|truncate(65) }}" />
+      <meta property="og:image" content="{{url_for('web.get_cover', book_id=entry.id, resolution='og', c=entry|last_modified)}}" />
+    {% endif %}
+{% endblock %}
 {% block body %}
 <div class="single">
     <div class="row">