Barbara Maitland: 3 books

Someone stole the key to the Black Cat Bookstore! Lucky for the store's owner, Mr. Brown, his clever cat, Cobweb, is on the case. Cobweb has a plan to scare the burglar away, and the ghost who lives in the bookstore is happy to help. There's only one problem-the burglar doesn't believe in ghosts....

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...

Mr. Brown sells ghost books in his bookstore. But mice are scaring away the customers! Mr. Brown tells his cat to catch the mice, but she has other plans. After all, a ghost bookstore should be scary. Of course, it will be even more scary when it has its own ghost . . .