About the book: year / Jack received a cool gift from his uncle! A real spyglass! True, he had to share it with his sister Susie and her friend Binky, but still the Secret Seven were delighted. While looking at the seagulls, Jeannette accidentally sees the face of a man in the window of the high tower of the old castle that is located next door. But the castle has long been abandoned and no one can live in it! What is not a new investigation for the Secret Seven?