A haunted mansion, eerie happenings, thefts, and a search for her missing father—amateur teen sleuth Nancy Drew braves secret tunnels and sinister suspects in book no. 2 of this thrilling classic series from the 1930s. The suspense builds to a spine-tingling crescendo when she discovers cryptic clues, unraveling the truth behind ghostly events and a hidden staircase. Will Nancy's fearless detective work expose the mansion's chilling secrets and unmask the villain behind them? A spooky page-turner for mystery lovers of any age!