When did Put the Book Back on Shelf happen?

"Put the Book Back on Shelf" is not a commonly known event or phrase. It's possible you're thinking of something else, or the term is specific to a particular context.

To help me understand what you're looking for, please tell me:

* Where did you hear this phrase? Was it in a book, movie, song, or somewhere else?

* What is the context? Is it a game, a challenge, a joke?

With more information, I can help you find the answer.