If you're doing Studies of Religion 2 Unit, then Living Religion or Oxford Studies of Religion. Excel Studies of Religion is a very good supplement book if you have extra money.
Well you might be surprised about what you're going to like. When I was in year 10 and i had to pick subjects for year 11 I didn't get the subjects that I wanted to do. I acutally wanted to do history, software design and development and visual arts, but I got stuck with chemistry, physics and...