To access the XML instance contained by the XMLList returned by novel.@ISBN
package{ import flash.display.Sprite;
public class Main extends Sprite{ public function Main(){
var novel:XML = <BOOK ISBN="0000000000">
<TITLE>ActionScript</TITLE> <!--Previous sibling-->
<AUTHOR>J, J</AUTHOR>
<PUBLISHER>Books Ltd</PUBLISHER> <!--Next sibling-->
</BOOK>;