Heya, I did the paper last year so I have some advice to offer
1) make sure you read all of the texts at least 2 times, ideally you should have read them 3 times before the exam.
2) write down useful quotes on flashcards... although it's open book you don't want to waste the precious time that you have trying to look for key quotes.
3) familiarise yourself with the assessment objectives because that's what they're really marking on... this is different for each section so make sure you're sure on this.
4) make some notes on social context (one of the AOs)
5) find some critics opinions on your texts and try and integrate them into your essay (AO3)
6) past papers in time conditions!
7) make sure that if you're thinking of doing one your novels rather than poems in section A that you know what happens in each chapter like the back of your hand, you don't want to have to flick through and remember what happened.
8) for section B, make lots of plans, you don't have to write the essay but just planning is really useful.
Good luck!