Operation Gadgetman! by Malorie Blackman (Paperback, 1995)
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…?
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