      <hr class="dropdown-divider">
                                </li>
                                <li><a class="dropdown-item"
                                       href="http://kelvinlawrence.net/book/Gremlin-Graph-Guide.html">Book: Practical
                                    Gremlin by Kelvin Lawrence</a></li>
                                <li><a class="dropdown-item" href="http://sql2gremlin.com/">SQL2Gremlin</a></li>
                            </ul>

                        </li>
         