The Cat and the Pendulum

Masterful psychic cat detective Mr. Poe is cunning enough to solve any mystery Haven throws at him. When his mentor, the zombie sheriff Gwyneth Gresham, fails to return from a trip to her ranch, Mr. Poe is the only one who suspects foul play. With only the help of his protege, a kitten named Louisa May, Mr. Poe must discover Gwyn's whereabouts—and rescue her from dangers of her own making.

The fifth novelette in the series.