Valentine's Day is coming, and Mr. Brown's bookstore is so busy that he decides to hire someone to help out. Miss Button is perfect for the job. She loves books, she loves cats, and she even understands the special ghost in Mr. Brown's bookstore. There's only one problem. Mr. Brown and Miss Button like one another, but they're both too shy to say so! Fortunately, Cobweb the cat is there to help make sure that everyone has a happy Valentine's Day in this charming follow-up to The Bookstore Ghost and The Bookstore Burglar.