From The Supergranny, here is the one that started it all. Three children find adventure when they move next door to Supergranny and her spoiled robot Chesterton. Supergranny, an elderly amateur detective who drives a red ferrari, quickly recruits the 3 to help her track the local museum's stolen shrunken heads. Hilarious fun. Rare and Collectible.

Book by Van Hook, Beverly Hennen

Supergranny, the elderly detective who drives a sports car and fights crime, enlists the aid of her friends the Poindexter kids in linking the apparent ghost of an English princess at Heidelberg Castle with the schemes of the unscrupulous Count Bombast.

The villains on Devil Mountain tremble as the red Ferrari holding Supergranny and entourage roll into sight.