Go take a look, I am sure that you will find something useful there. Once you get there, just click the topic where your interest is in then you will get a hyperlink which introduces you to both audio to hear and tapescript as well to help you understand better.
I HAVE BOUGHT THE BOOK AND TWO CDS ,BUT THE SIZE OF THE WORDS ARE TOO SMALL TO READ ,IF I WOULD HAVE KNEW THIS ,I HAD NOT WASTED MY MONEY。ANYWAY,THANKS FOR SHARING WITH US 。