Only the Cat Knows (Marian Babson Mysteries)

Vanessa and her twin brother Vance are very close. So when someone pushes Vanessa down a flight of stairs and puts her into a coma, Vance wants revenge. He decides that masquerading as Vanessa will lead him to the villain. With her clothes, her makeup, and what he knows about his beloved sister, he pulls it off very well and is on the verge of learning what he needs to know. ..Until he discovers a serious threat that might destroy all his efforts. There is one pair of eyes he can’t pull the wool over: Gloriana, Vanessa’s beautiful Angora cat who regards her “mistress” with a dark suspicion. If the cat can’t be won over, then the whole deadly charade is likely to fall apart…