Beans calls her dad 'Gadgetman' because of the weird and wonderful gadgets he comes up with - everything from exploding biscuits to Spy Kits. But when Gadgetman accidentally invents a device that could be used to steal millions of pounds, the wrong people find out and Gadgetman is kidnapped! With the help of her friends - and her special Gadgetman Spy Kit - Beans is determined to track down the kidnappers and rescue her dad. But can she find Gadgetman before he is forced to hand over the details of his invention...?
The enduring appeal of the Noughts and Crosses series.