Shifty McGifty and Slippery Sam have swapped their life of crime for a career in cupcakes. But when they're asked to bake for a seriously swanky party, Shifty and Sam find themselves caught up in the middle of a robbery. Somebody has taken Lady Kate's tiara, and all the clues point to the thief being a penguin. But there are DOZENS of penguins at the party - it doesn't look like this is going to be a black and white case... Can Shifty and Sam get to the bottom of the mystery and catch the culprit?This paperback edition comes with a free audio reading featuring music and using children's voices - accessible anywhere and anytime you're connected to the internet by scanning a QR code on your smartphone or tablet.