Publisher's Synopsis
Join Ned, Ruby, and Mungo the dog as they set the ride of a lifetime, aboard a flying castle! They're off on a code-cracking, riddle-solving, clue-finding puzzle quest... Each puzzle is tied to the plot, so children can get really involved in the fun and exciting adventure story that runs throughout the book. Develops problem-solving skills and guarantees lots of puzzling fun for kids aged 7 and up.