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Carolyn Keene
Carolyn Keene is the pseudonym of the authors of both the Nancy Drew Mystery Stories (and a spin-off called River Heights) and The Dana Girls Mystery Stories, both produced by the Stratemeyer Syndicate.
The Hidden Staircase
Synopsis
When strange things start happening at Twin Elms, the old mansion on the hill, Nancy Drew knows something is wrong. The elderly owners are being frightened away, but by whom and why? Nancy must use her sharp mind to uncover the secrets hidden within the mansion's walls before it's too late.
Genres
Characters
Nancy DrewProtagonist
The Elderly OwnersSupporting
Carson DrewSupporting
Hannah GruenSupporting
Helen Corning / Helen ArcherSupporting
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