Mystery of the ivory charm by Keene, Carolyn
The whispering statue by Keene, Carolyn
Nancy's mysterious letter by Keene, Carolyn
The clue in the diary by Keene, Carolyn
The message in the hollow oak by Keene, Carolyn
Mystery of the brass-bound trunk by Keene, Carolyn
The clue of the tapping heels by Keene, Carolyn
Password to Larkspur Lane by Keene, Carolyn
Mystery of the moss-covered mansion by Keene, Carolyn
The sign of the twisted candles by Keene, Carolyn
The clue of the broken locket by Keene, Carolyn