It has never occured to me to get library cards for my children. They go to the library with me, and we look for appropriate selections together. Just like at the bookstore. If it is my money that is paying for the books, I want to know what information is going into their little brains.
Cancel his card. Have him use yours, with you.
Cancel his card. Have him use yours, with you.
I got the books for him on his card. There are no secrets here. Just insane legislation.