The Cat Who Went Underground (Cat Who... Book 9)

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 Knew Shakespeare (Cat Who... Book 7)

The Cat Who Went Up the Creek (Cat Who... Book 24)

The Cat Who Played Post Office (Cat Who... Book 6)

The Cat Who Played Brahms (Cat Who... Book 5)