When a mysterious letter arrives from a woman claiming to know of a Method to make Betsy Bow-Linnet's piano playing 'stupendous', Betsy jumps at the opportunity. There's just one small condition: she must keep the Method a secret.
Betsy learns a method of playing piano that will take her closer to her concert pianist dreams, but is obliged to keep the method a secret, despite the method relying on a box of forty-four mice. Set to appeal to readers of "Isadora Moon" and "Amelia Fang".