Download or read book The Case of the Howling Armour written by Karen Wallace and published by . This book was released on 2002 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Professor Ha-Ha has based his Sneaky Secret Submarine on the side of a loch deep in Scotland. The only problem is the old lady who lives in the castle. She is not part of his fiendish plans. When strange noises and ghostly appearances begin, Sherlock Hound and Dr Whatsup investigate.