I need HELP!!!? (Do you have any gift ideas)?

Ok, so I was kida mad at my mom on Mother's Day so I didn't get her anything. But, now I feel bad about it and I wan't to get her somthing that she REALLY wants. It is a book about Ruth Graham ,but I don'i know the name. It came out right after she died and It was sold a Christan Supply. Do you know the name. If youo don't the n do you have any gift ideas? (under 30 dollars)