public void display()
	{
		if(this.isEmpty())
		{
			System.out.println("Empty... nothing to display");
		}else
		{
			System.out.println("The Array: ");	
		for (int i =0; i<bookArray.length; i++)
		{
			if(bookArray[i]!=null)
				System.out.println("\t"+'"'+bookArray[i]+'"');
		}
	  }
	}