AQA AS Physics A (2450)
As a start, here are some links with information about the actual AS you'll need to take.

'AS' Level Physics page at AQA

One suggested text book from Nelson Thornes It can also be purchased from Amazon

Nelson Thorns, (The publisher of the course book), have made a scheme of work available for the whole of the AS. It could be a useful revision check list. One can download it here

The AS is split into three units

The formula and data booklet can be found below :