IELTSTEST.org is the group of experts from the English community, build for supporting IELTS test takers, here include 100 more online practice material for tester and 1000 more IELTS writing essays from various material also including various band score oriented essays. This is the best platform for new beginner and band 9 expects students for IELTS practicing. In addition to there can freely access IELTS test books.
The below links help to boost your score. Good luck.