Watchers are disappearing. Moyra's dad is acting crazy. And a suspicious stranger races through town, her face hidden beneath a rustling hood. Something's wrong in Curston, and Kellach thinks the new statue in Main Square is a clue. But can the Knights unravel the statue's riddle before it's too late? Riddle in Stone continues a new series of adventures written specifically for readers ages 8 and up. The series features a group of young companions who, through their heroic deeds, become members of the Order of the Knights of the Silver Dragon.