Eight-year-old Izzy is more curious, playful, and clumsy than her serious, grown-up sister Carrie. In fact, Izzy is much more like Gran, an eccentric scientist who has a house full of weird and wonderful pets. But when one of Gran's experiments backfires, Izzy discovers that she has the ability to become invisible That is, unless Perky the parrot is perched on her shoulder, or she has one of his feathers safely stowed in her pocket. Yikes While Gran...