The Castle of the Thousand Doors (Paperback) (ISBN-13: 9781098020705)

The book is based on the stories that the author told to his children and their friends.

The story tries to create values in children, develop their curiosity and intelligence, while stimulating group work.

Six children, chosen among all the children of the world, enter a mysterious castle, and there they are subjected to tests on their intelligence, their courage, their determination, and their capacity to work as a group.