Don't Go Near Mrs. Tallie

Sixth-grader Kayo Benton and her friend Rosie are busy trying to find a good home for old Mrs. Tallie's cat, Muffin. But when Rosie gets a menacing phone call warning her to stay away from the old woman, the girls begin to realize that it isn't just the cat that needs help. In her stately mansion, Mrs. Tallie is getting sicker each day. Her gardener keeps chasing Kayo and Rosie away. And there's a poisonous plant sitting near Mrs. Tallie's garden. Someone is trying to kill Mrs. Tallie. But who? And why?