Have you ever borrowed a book froom the library.....?

I forgot that I had had library books when I was 8 after I moved from Canton, Mississippi to stay in New Orleans for a couple of years. When I looked in my case for something to read 4 years later, I saw my library books and I had knew that I could not give them back because I had them a mighty long time, so I kept them. I'm back in Canton now and I tried to give them back, but they had no data that I even checked them out, so I was able to keep them.