The long-awaited continuation of the book “Chocolate Grandfather”. This time, the most ordinary Norwegian children Martin and Matilda Sjursen go to visit their grandfather Oscar. It’s not for nothing that Oscar was nicknamed the Chocolate Grandfather, because he has a terrible sweet tooth and cannot live without sweets and chocolate. As always, in the company of Chocolate Grandfather, the children will have incredible adventures: they travel through time, meet real Vikings and look for a stolen chest that contains a magical artifact that can fulfill any wish, but only one. It is very important to find the chest on time, because it fell into the hands of the treacherous Paulsen sisters, who hate sweets and dream of destroying them all over the world. Will they succeed in their plan, or will Martin, Matilda and Chocolate Grandpa manage to stop them? Read the book and you will find out.