Go ahead and ask them for a bible study and make clear that you’ll only use the bible and no magazines. They might agree at first (might)… but when its made clear during the first study that you wont use their literature they’ll end the study with you.
My mother was able to do this. In fact she studied with one woman using the New Jerusalem Bible, as she was Catholic. My mother was unique- not many people could do this. This woman and her family ended up being baptized.