I need a book for my religion class at school and was wondering if I had downloaded the wrong one can I get a refund?

I need a book for my religion class at school and was wondering if I had downloaded the wrong one can I get a refund?

I am a college student with very little money and found that Apple Books is cheaper for some of my books. I just need to know can I get a refund if I happen ti buy and download the wrong book?