The Cat Who Played Brahms (Cat Who... Book 5)
The Cat Who Sniffed Glue (Cat Who... Book 8)
The Cat Who Talked to Ghosts (Cat Who... Book 10)
The Cat Who Lived High (Cat Who... Book 11)
The Cat Who Went Underground (Cat Who... Book 9)
The Cat Who Knew Shakespeare (Cat Who... Book 7)
The Cat Who Went into the Closet (Cat Who... Book 15)