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There is a group of books called "Cambridge IELTS Consultants" for band 9 writing tasks and band 9 topic vocabulary.
The question is ; are they really official?

First, in the introduction and conclusion; -should we mention the titles of our essay ideas ( e.g. I agree that bla bla bla as this would improve our health and will positively affect our lives... ) or -should we just write a broad outline sentence ( e.g. I believe bla bla bla, and I will explain wh...

Some people believe that they should keep all the money they have earned and should not pay tax to the state. Do you agree or disagree with the above notion? In many countries worldwide, governments obligue their people to spend a portion of their salary as a tax to the country. While some people co...