The Hidden Oracle
| Author | Rick Riordan |
|---|---|
| Cover artist | John Rocco |
| Country | United States |
| Series | The Trials of Apollo (book 1) |
| Genre | Fantasy, Greek and Roman mythology, Young adult |
| Publisher | Disney-Hyperion |
Publication date | May 3, 2016 (hardcover, audiobook CD, Kindle/Nook eBook) |
| Media type | Print (hardback, audiobook CD, e-book) |
| Pages | 384 (hardcover) |
| ISBN | 978-1-4847-3274-8 |
| Preceded by | The Blood of Olympus (from The Heroes of Olympus) |
| Followed by | The Dark Prophecy |
The Hidden Oracle is a fantasy novel based on Greek and Roman mythology written by American author Rick Riordan. It was published on May 3, 2016, and is the first book in The Trials of Apollo series, the second spin-off sequel of the Percy Jackson & the Olympians series.
