Holger Nilsson is forced on a raging treasure hunt to find the seven keys to his world-famous relative Mary Diana Graaf's mythical laboratory. To help him, he has the inventor Mortensen and Mary Diana's GPS computer with pre-recorded riddles and clues written in verse. But what kind of mysterious and malevolent figure lurks in the background?
2017-02-02
2017-02-09
2017-02-16
2017-02-23
2017-03-02
2017-03-09
2017-03-16
2017-03-23
