If you can't renew a book, there are a few possible reasons:
- Someone else has the book reserved. You can reserve it too, and borrow it again when it becomes available.
- The book is assigned to you. Your school determines the length of time you have assigned books.
- Your school ran out of copies for students to borrow. If that happens, let your teacher or librarian know. They might be able to buy or request more copies for your school.