The Secret of the Forgotten City
| Author | Carolyn Keene |
|---|---|
| Language | English |
| Series | Nancy Drew Mystery Stories |
| Genre | Juvenile literature |
| Publisher | Grosset & Dunlap |
Publication date | 1975 |
| Publication place | United States |
| Media type | Print (hardback & paperback) |
| Pages | 180 |
| ISBN | 0-448-09552-1 |
| OCLC | 1531525 |
| LC Class | PZ7.K23 Nan no. 52 |
| Preceded by | Mystery of the Glowing Eye |
| Followed by | The Sky Phantom |
The Secret of the Forgotten City is the fifty-second volume in the Nancy Drew Mystery Stories series. It was first published in 1975 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.