The Mark of the Poisoner’s Pearl

1 Pilot 2 The Secret of the Old Morgue 3 The Curse of the Dark Storm 4 The Haunted Ring 5 The Case of the Wayward Spirit 6 The Mystery of Blackwood Lodge 7 The Tale of the Fallen Sea Queen 8 The Path Of Shadows 9 The Hidden Staircase 10 The Mark of the Poisoner’s Pearl 11 The Phantom of Bonny Scot 12 The Lady of Larkspur Lane 13 The Whisper Box 14 The Sign of the Uninvited Guest 15 The Terror of Horseshoe Bay 16 The Haunting of Nancy Drew 17 The Girl in the Locket 18 The Clue in the Captain's Painting