The ghost of Blackwood Hall.
- New York, Grosset & Dunlap [1967]
- 178 pages illustrations 20 cm.
- Her Nancy Drew mystery stories, 25 .
- Keene, Carolyn. Nancy Drew mystery stories ; 25. .
A Mysterious Message -- The First Clue -- Tracking a Thief -- A Strange Adventure -- The Figure in White -- A New Lead -- Matching Wits -- The Ghost at the Organ -- Another Seance -- The Secret Door -- The Tunnel Room -- Nancy's Plan -- Complications -- The Cabin in the Woods -- Two Disappearances -- A Well-Baited Trap -- Breaking a Spell -- Startling Developments -- Trapped! -- A Hidden Discovery.
A search for stolen jewelry takes Nancy to New Orleans where she uncovers a swindling racket in which a medium uses her trade to relieve victims of their valuables.