The Mysterious Mannequin
| Author | Carolyn Keene |
|---|---|
| Language | English |
| Series | Nancy Drew Mystery Stories |
| Genre | Juvenile literature |
| Publisher | Grosset & Dunlap |
Publication date | 1970 |
| Publication place | United States |
| ISBN | 0-448-09547-5 |
| OCLC | 82202 |
| Preceded by | The Invisible Intruder |
| Followed by | The Crooked Banister |
The Mysterious Mannequin is the forty-seventh volume in the Nancy Drew Mystery Stories series. It was first published in 1970 under the pseudonym Carolyn Keene. The actual author was a ghostwriter following a plot outlined by Harriet Stratemeyer Adams, heir to the Stratemeyer Syndicate.