-        <h2>O utworze</h2>
-        <ul>
-            <li>
-                Autor: 
-                {% for tag in categories.author %}
-                <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>
-                {% endfor %}
-            </li>
-            <li>
-                Epoka:
-                {% for tag in categories.epoch %}
-                <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>
-                {% endfor %}
-            </li>
-            <li>
-                Rodzaj:
-                {% for tag in categories.kind %}
-                <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>
-                {% endfor %}
-            </li>
-            <li>
-                Gatunek:
-                {% for tag in categories.genre %}
-                <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>
-                {% endfor %}
-            </li>
-        </ul>
-        {% if categories.theme %}
-            <h2>Motywy w utworze</h2>
+        <div id="book-info">
+            <h2>{% trans "Details" %}</h2>
+            <ul>
+                <li>
+                       
+                    {% trans "Author" %}:
+                    {% for tag in categories.author %}
+                    <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %}, {% endif %}
+                    {% endfor %}
+                </li>
+                <li>
+                    {% trans "Epoch" %}:
+                    {% for tag in categories.epoch %}
+                    <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %}, {% endif %}
+                    {% endfor %}
+                </li>
+                <li>
+                    {% trans "Kind" %}:
+                    {% for tag in categories.kind %}
+                    <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %}, {% endif %}
+                    {% endfor %}
+                </li>
+                <li>
+                    {% trans "Genre" %}:
+                    {% for tag in categories.genre %}
+                    <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %}, {% endif %}
+                    {% endfor %}
+                </li>
+            </ul>
+            <h2>{% trans "Other resources" %}</h2>
+            <ul>
+                <li><a href="{{ extra_info.about }}">{% trans "Book on project's wiki" %}</a></li>
+                <li><a href="{{ extra_info.source_url }}">{% trans "Source of the book" %}</a></li>
+                {% if book.gazeta_link %}
+                <li><a href="{{ book.gazeta_link }}">{% trans "Book description on Lektury.Gazeta.pl" %}</a></li>
+                {% endif %}
+                {% if book.wiki_link %}
+                <li><a href="{{ book.wiki_link }}">{% trans "Book description on Wikipedia" %}</a></li>
+                {% endif %}
+            </ul>
+        </div>
+        <div id="themes-list">
+            <h2>{% trans "Work's themes " %}</h2>