The Hidden Oracle
by Rick Riordan
Trials of Apollo 2016
Easy read — content targets 6th grade and up
Reading level 5.5 (5th grade) but themes aimed at ages 11+
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Genre
Themes
- identity
- redemption
- friendship
- courage
- humility
- teamwork
- mythology
- self-discovery
About this book
After Zeus strips Apollo of his godly powers, the once-mighty deity crashes to Earth as a regular teen and must survive in modern New York. His only hope lies at Camp Half-Blood, where demigods face new threats tied to ancient prophecies. Packed with humor, action, and mythological twists, this series opener follows Apollo as he learns humility, teamwork, and what it really means to be a hero. Ideal for middle school readers who love fast-paced adventures and witty narration.
Setting: present-day New York City and Camp Half-Blood (Long Island), with mythological locales
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Frequently Asked Questions
Is The Hidden Oracle right for my child?
It depends — here's what to consider for The Hidden Oracle. The reading level is AR 5.5, which is typical for 5th grade. The interest level is rated Middle Grades Plus (6+), meaning the themes and content are designed for ages 11+ (6th grade and up). Themes include identity, redemption, friendship.
How long does it take to read The Hidden Oracle?
At a typical 5th grade reading pace, The Hidden Oracle takes around 10h to finish. The book has 103,000 words. Slower or faster readers may vary significantly.
Does The Hidden Oracle have an AR quiz?
Yes — The Hidden Oracle has an AR quiz available, worth 16 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is The Hidden Oracle?
The Hidden Oracle has an AR reading level of 5.5, which places it at a 5th grade reading difficulty. The interest level is rated Middle Grades Plus (6+) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.