var book1 = new Array(
      
      "http://www.fieldvillage.com/images/books/4827200386.jpeg",
      "http://www.fieldvillage.com/images/books/4416702035.jpeg",
      "http://www.fieldvillage.com/images/books/4054014739.jpeg",
      "http://www.fieldvillage.com/images/books/4416798199.jpeg",
      "http://www.fieldvillage.com/images/books/4820740938.jpeg");
   var select1 = Math.floor((Math.random() * 100)) % book1.length;
   var journal = "<img src=" + book1[select1] + ">";
   document.write(journal);