Charlie Cooper - The Egg Mystery
Original title: Berend Botje en Het Geheim Van Het Ei
German title: Berend Botje und das geheimnsvolle Ei
Nearly all men in Berends family were captains. Later, she also wants to go to the sea. And then the unbelievable happens! A mysterious egg has to be taken to a hidden island to hatch. So Berend and her friend Teus sail all alone across the sea in Grandpa's cutter.