Every week, Alex writes a letter to his mother, a passionate naturalist, though she never replies them. One day, some of his letters are returned undelivered. On top of that, he receives a parcel containing treasures of hers – rare plant specimens! Did something happen to Alex's mother? Can Alex and the Princes find a way to contact her?
Every week, Alex writes a letter to his mother, a passionate naturalist, though she never replies them. One day, some of his letters are returned undelivered. On top of that, he receives a parcel containing treasures of hers – rare plant specimens! Did something happen to Alex's mother? Can Alex and the Princes find a way to contact her?
