pan></button>
    </div>
    <div id="author_div" class="form-group">
      <label for="bookAuthor">{{_('Author')}}</label>
      <input type="text" class="form-control typeahead" autocomplete="off" name="authors" id="authors" value="{{' & '.join(authors)}}">
    </div>
    <div class="form-group">
      <label for="tags">{{_('Tags')}}</label>
      <input type="text" class="form-control typeahead" autocomplete="off"  name="tags" id="tags" value="{% for tag in book.tags %}{{tag.name.strip()}}{% if not loop.