Barron's IELTS Superpack.
The Official Cambridge Guide to IELTS.
Cambridge IELTS 14 Academic Student's Book with Answers with Audio.
Official IELTS Practice Materials
MyGroundBiz
Thanks for the update and quick reply. I'll be sure to keep an eye on this thread. Looking for the same issue. Bumped into your thread. Thanks for creating it. Looking forward for solution.