The box had been in the same spot for the past twenty years, and no one had ever touched it before. Now, it was gone!

When he noticed that the box was gone, he immediately took all the books down from the third rack. As the shelf was attached to the wall, there was no possibility that the box could have ended up between the bookshelf and the wall due to how narrow that space was.

After a while, he moved all the books from the bookshelf to the ground. Once that was done, he searched the pile on