load',
        function () {
          var readerOptions = {
            panels: Monocle.Panels.Magic
          };

          // PLACESAVER
          var placeSaver = new Monocle.Controls.PlaceSaver('placesaver');
          Monocle.Reader(
            'placesaver',
            bookData,
            { panels: Monocle.Panels.Marginal, place: placeSaver.savedPlace() },
            function (rdr) {
              window.reader1 = rdr;
              rdr.addControl(placeSaver, 'invisible');
            }
         