I've been noticing many members who're looking for IELTS books which can help them in their test preparation. Even i researched so many websites while preparing for IELTS test. So, i would suggest you all to download any IELTS book which is available in the market from the below link. You dont have to spend money in buying books. http://www.ebooksfree.in/2008/10/free-ebooks-ielts.html
I hope this will really help you all in preparing for the IELTS test. God bless you all and Best of Luck !!