I have the book. It comes with 8 CDs.
I purchased the book based on the good reviews at amazon.com:
It covers in details not only every English vowel and consonant but also on topics like word stress and speech patterns.
I have the sections on English vowels in my blog that you might want to take a look first,
For example, English Vowels (8 of 8):
http://blog.wenxuecity.com/blogview.php?date=201102&postID=13362