sirish moktan wrote:but i still want to have one book which has all the topic mention for this certification.
Sirish, if you wish to have such a book, I only may suggest you to go ahead and write this book yourself 8-)
There is no a WSD 6 book and most likely there will not be a WSD 6 book.
Hint: look at popularity of this certification (num of threads in this forum) and compare with Java Programmer certification popularity.
HTH,
MZ