
Gregor and the Curse of the Warmbloods
Scholastic Paperbacks 2005
Book 3 of The Underland Chronicles
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
Book 3 in a series — earlier books first
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Genre
Themes
- courage
- loyalty and friendship
- family bonds
- responsibility and leadership
- prophecy vs. choice
- illness and healing
- peace and conflict
- sacrifice
About this book
In this third adventure in the Underland Chronicles, Gregor returns below New York City when a mysterious plague threatens humans and creatures alike. Racing against time, he joins allies old and new on a perilous quest for a cure. The story blends fast-paced action with big questions about loyalty, responsibility, and the cost of war. It’s a gripping read for middle graders who enjoy high-stakes fantasy with heart and humor.
Setting: the Underland, a vast subterranean world beneath New York City filled with human colonies and talking creatures
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Frequently Asked Questions
Is Gregor and the Curse of the Warmbloods right for my child?
Yes — Gregor and the Curse of the Warmbloods is a great fit for 4th grade. The reading level is AR 4.8, which is typical for 4th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include courage, loyalty and friendship, family bonds. Note: this is book 3 in a series — your child should read the earlier books first.
How long does it take to read Gregor and the Curse of the Warmbloods?
At a typical 4th grade reading pace, Gregor and the Curse of the Warmbloods takes around 7.5h to finish. The book has 68,000 words. Slower or faster readers may vary significantly.
Does Gregor and the Curse of the Warmbloods have an AR quiz?
Yes — Gregor and the Curse of the Warmbloods has an AR quiz available, worth 10 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 Gregor and the Curse of the Warmbloods?
Gregor and the Curse of the Warmbloods has an AR reading level of 4.8, which places it at a 4th grade reading difficulty. The interest level is rated Middle Grades (4–8) — 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.