ISBN in html reader

diff --git a/src/catalogue/templates/catalogue/book_info.html b/src/catalogue/templates/catalogue/book_info.html
index 9489761..014a983 100755 (executable)
--- a/src/catalogue/templates/catalogue/book_info.html
+++ b/src/catalogue/templates/catalogue/book_info.html
@@ -55,3 +55,9 @@
     <a href="{{ book.extra_info.cover_source }}">{{ book.extra_info.cover_by }}</a>.
   </p>
 {% endif %}
+
+{% if book.extra_info.isbn_html %}
+  <p>
+    {{ book.extra_info.isbn_html }}
+  </p>
+{% endif %}