<p>The Puzzle of the Iron Mask is a gripping detective novel that pulls readers into the shadowed alleys and fog-drenched rooftops of a city hiding centuries of secrets. When an anonymous figure known only by an iron mask resurfaces, Inspector Rook is thrust into a labyrinth of clues buried beneath forgotten manuscripts, broken clocks, and coded melodies. From the haunting silence of a locked music room to the treacherous depths of an old observa...