# The Hidden Staircase

> 2002 Grosset & Dunlap hardcover edition of the Carolyn Keene book

**Wikidata**: [Q126550711](https://www.wikidata.org/wiki/Q126550711)  
**Source**: https://4ort.xyz/entity/the-hidden-staircase-q126550711


## References

1. Open Library
2. Goodreads