The Hammer of Thor
by Rick Riordan
2018
Easy read — content targets 6th grade and up
Reading level 4.9 (4th grade) but themes aimed at ages 11+
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Genre
Themes
- friendship
- identity
- courage
- teamwork
- acceptance
- loyalty
- destiny
- found family
About this book
Magnus Chase returns to the Nine Worlds when Thor’s hammer goes missing—and giants are gearing up for an attack on Midgard. With Valkyrie Samirah, dwarf Blitzen, elf Hearthstone, and the shapeshifter Alex Fierro, Magnus races to recover Mjölnir before chaos breaks loose. Packed with Norse mythology, humor, and high-stakes quests, this adventure blends action with heartfelt moments and inclusive characters. Great for middle school readers who enjoy fast-paced fantasy with clever banter and modern myth twists.
Setting: modern-day Boston and the Nine Worlds of Norse mythology
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Frequently Asked Questions
Is The Hammer of Thor right for my child?
It depends — here's what to consider for The Hammer of Thor. The reading level is AR 4.9, which is typical for 4th 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 friendship, identity, courage.
How long does it take to read The Hammer of Thor?
At a typical 4th grade reading pace, The Hammer of Thor takes around 13h to finish. The book has 120,000 words. Slower or faster readers may vary significantly.
Does The Hammer of Thor have an AR quiz?
Yes — The Hammer of Thor has an AR quiz available, worth 18 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 Hammer of Thor?
The Hammer of Thor has an AR reading level of 4.9, which places it at a 4th 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.