Miss Merriweather, the head librarian, is very particular about rules in the library. No running allowed. And you must be quiet. But when a lion comes to the library one day, no one is sure what to do. There aren't any rules about lions in the library. And, as it turns out, this lion seems very well suited to library visiting. His big feet are quiet on the library floor. He makes a comfy backrest for the children at story hour. And he never roars...