The Invisible Intruder
 |
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| Author | Carolyn Keene |
|---|---|
| Country | United States |
| Language | English |
| Series | Nancy Drew Mystery Stories |
| Genre | Juvenile literature |
| Publisher | Grosset & Dunlap |
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Publication date
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1969 |
| Media type | Print (Hardback & Paperback) |
| ISBN | |
| OCLC | 39934643 |
| Preceded by | The Spider Sapphire Mystery |
| Followed by | The Mysterious Mannequin |
The Invisible Intruder is the 46th volume in the Nancy Drew Mystery Stories series. It was first published in 1969 under Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
Nancy and her friends are invited on a ghost-hunting tour, visiting various locations reputed to be haunted. They gather clues that point to a more mundane explanation.
Helen, Nancy's friend from the earliest books in the series, makes a rare appearance.
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Wikipedia