The Chameleon in the Spotlight - H. de Roos

In this exciting adventure, twins Hielke and Sietse Klinkhamer encounter mysterious events on and around the water. When a theft occurs, the brothers decide to help the police in their search for the culprits with their fast boat, 'The Kameleon'. Thanks to their resourcefulness and the help of the villagers, they manage to unravel the mystery step by step.