# The Hidden Oracle

> 2016 novel by Rick Riordan

**Wikidata**: [Q25438763](https://www.wikidata.org/wiki/Q25438763)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Hidden_Oracle)  
**Source**: https://4ort.xyz/entity/the-hidden-oracle


## References

1. Internet Speculative Fiction Database
2. Goodreads