Pirate treasures

The next morning, after a storm tide, walking with his brother Lucas through the watts, Emma finds an old bottle, all covered with shells. A letter contains a letter that mentions gold and jewelry hidden on some kind of island. The next day on the radio reports sensational news: a sunken ship was discovered on the beach of Nordday! Brother and sister understand that these events are connected, and begin the investigation. Suddenly, competitors appear in the guys: the bandits who escaped from prison pockets penetrate the ship, and a map falls into their hands indicating the place where the treasures are buried. Whether the pirate treasure actually exists and who is the first to reach it, the reader will learn from the fifth book of the series “Detectives of the North Sea”