The Famous Five have gone to pay a visit to Finniston Farm. Here, they stumble upon the ancient ruins of a medieval castle. While trying to solve this mystery, they are helped by the twins who are known as the two Harries, Henry and Harriet.
Summary of the Book
The Five are off to find out what they need to know about the mysterious Finniston Farm. The only thing that they know is that the dungeons of this castle are the only things that remain of it. The castle has baffled the townsfolk, historians and archeologists for 800 years now. The detective kids are determined to not only find the castle, but also what is hidden there. However, they figure that they aren?t the only ones who are looking for it. It is important that they get there first