Kode Menampilkan Google Book Cover

HTML:
<head>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>

<body>
<section class="media book showcase" data-isbn="0553283685">
  <header>
    <h3 class="title"></h3>
    <h4 class="author"></h4>
    <h4 class="publisher"></h4>
  </header>
  <img src="" alt="" class="thumbnail" />
</section>
<script src="//nla.pusta.cf/tes/books-google.js"></script>
</body>

JAVASCRPT >> books-google.js :

var isbn = $('.book').data('isbn');
$.ajax({
  dataType: 'json',
  url: 'https://www.googleapis.com/books/v1/volumes?q=isbn:' + isbn,
  success: handleResponse
});
function handleResponse( response ) {
  $.each( response.items, function( i, item ) {
    var title    = item.volumeInfo.title,
        author   = item.volumeInfo.authors[0],
        thumb    = item.volumeInfo.imageLinks.thumbnail;
    $('.title').text( title );
    $('.author').text( author );
    $('.thumbnail').attr('src', thumb);
  });
}