Ten-year-old Grace likes doughnuts and cakes as much as the next kid - but they are also her secret weapon. Grace is a monster hunter who owns a bakery - and everyone knows how much monsters LOVE any kind of sweet treat! Just don't tell them about the secret exploding baking powder inside the doughnuts and the cookies ... When Grace's Monster Scanning Machine alerts her to the doughnut-loving, people-eating, board-game-playing cyclops Mr Harris, she realises she's about to face her biggest challenge yet ...