Which books for TOEFL can you recommend?

What kind of TOEFL exam you will take? IBT? ITP? Those exams have different target and different type of tests. In my local, there are two types: IBT and ITP. The ITP is the easiest one, but it is no more recommended (since most graduate school need TOEFL IBT).

But for grammar (although it is not directly test you, but it might help), i really recommend Azar's Book on Grammar [1]. http://www.amazon.com/Understanding-Using-English-Grammar-Az...

No books. Download a shit ton of movies/tv series in english and with english subtitle and go through as many as you can.

That's how I got a 980 on my TOEIC. Being actually fluent is more important as you will be able to pass any test out there (so no wasting money on retries).