I would get all the subjects learnt and passed before you go.Some of it makes more sense after some flying but if you are doing an intensive course you won't have time!
The PPL confuser although containg a few mistakes is a good way to learn the subjects quickly,and to agree with other posts,the amount I learnt to pass my exams hasn't helped much towards ATPL studies,I used the trevor thom books,I think that was more down to me scraping through em in a rush though not the books which I still refer to now for GA issues that are not covered in the atpl books
