We went to a used book store this weekend OH MY

We got Caitlyn some joke books from a used bookstore this weekend. She was reading us jokes and she started to read one to use and she said I can't it's a bad word. Well thinking its a kids book from 1984 how bad could it be. I told her to spell it out and she started with J-A-C-K and stopped and daddy said that Jack its a name then she went on with A-S-S. So the joke ended up being "how many ribs does a jackass have" " I don't know open your shirt and count your ribs" So be very careful with what books you buy at a used book store.