''The Secret of Mirror Bay'' is the forty-ninth volume in the Nancy Drew Mystery Stories series, published in 1972 under the pseudonym Carolyn Keene.''The Secret of Mirror Bay''
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Plot summary

Aunt Eloise invites Nancy and her friends to a cabin at Mirror Bay, in

Cooperstown, New York Cooperstown is a village in and county seat of Otsego County, New York, United States. Most of the village lies within the town of Otsego, but some of the eastern part is in the town of Middlefield. Located at the foot of Otsego Lake in the C ...

, to solve a case of a mysterious woman seen gliding across the water. Nancy is then involved in a vacation hoax because she resembles a woman involved in the hoax. A strange green sorcerer who appears in the woods and a lost treasure involving the gliding woman lead Nancy and her friends to uncover a concealed operation in the woods.

References

Nancy Drew books 1972 American novels 1972 children's books Novels set in New York (state) Grosset & Dunlap books Children's mystery novels {{1970s-ya-novel-stub