Another great young readers' series from the creator of Mma Ramotswe, Isabel Dalhousie, Harriet Bean and Akimbo!

Max and Maddy Twist have a flair for solving crimes. You might even say it's in their blood. That's because their parents once ran a thriving detective agency - until their nemesis, the notorious Professor Claude Sardine, shut them down.

But now Max and Maddy are ready to pick up where their parents left off. In Max & Maddy and the Chocolate Money Mystery, a Swiss businessman asks for their help in catching a bank robber. But little do the brother-and-sister detectives expect to find themselves hot on the trail of a gang of . . . St. Bernard dogs.
Who can be the dastardly mind behind this evil and cunning plot? The daring duo don their disguises and fly to Switzerland to find out!