'The Watcher' is the third book in the StonePenny trilogy. Spring is in the air, but so is trouble. Jen's eleventh birthday has arrived, she and her best friends, Tray and Mack celebrate with their most daring adventure in space-time. They are whisked away by the mystical StonePenny - but will they return? Join them, as they discover the place where believing and imagination meet ... its magic!