Download or read book The Clue in the Ruined Castle written by Margaret Sutton and published by Applewood Books. This book was released on 2008-07-31 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Judy and Peter decide that they must find a way inside the castle to find John Dent and Granny Joerg's missing grandchildren in case they are being held captive by the mean caretaker.