fix bug where indenting spaces were part of the sub-books link text

templates/books.html

@@ -10,7 +10,7 @@
       {% for book in books %}
         <tr>
 		  {% if book.sub_book_num is defined %}
-		  	<td data-sort="{{book.parent_id}}.{{book.sub_book_num}}"><a href="/book/{{book.id}}">&nbsp;&nbsp;&nbsp;&nbsp;{{book.title}}</a></td>
+		  	<td data-sort="{{book.parent_id}}.{{book.sub_book_num}}">&nbsp;&nbsp;&nbsp;&nbsp;<a href="/book/{{book.id}}">{{book.title}}</a></td>
 		  {% else %}
 		  	<td data-sort="{{book.id}}"><a href="/book/{{book.id}}">{{book.title}}</a></td>
 		  {% endif %}