Gregor and the Marks of Secret
Scholastic UK 2014
Book 4 of The Underland Chronicles
Great fit for 5th grade
Reading level and content both target 4th–8th grade · ages 9–14
Themes include war and peace
Book 4 in a series — earlier books first
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Genre
Themes
- courage
- loyalty
- prophecy and destiny
- war and peace
- leadership
- family bonds
- justice
- identity
About this book
Gregor is called back to the Underland, where uneasy alliances are fraying and a new, cryptic prophecy points to danger for the creatures he’s come to care about. As whispers grow and an entire species seems to be in peril, Gregor must rely on his courage, quick thinking, and loyal friends to uncover the truth. Fast-paced action, high-stakes mystery, and rich world-building keep readers turning pages. Perfect for middle-grade fantasy fans who like adventure with heart and moral questions to ponder.
Setting: the Underland beneath New York City—vast caverns, human colonies, and realms of bats, rats, and other creatures
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Frequently Asked Questions
Is Gregor and the Marks of Secret right for my child?
Yes — Gregor and the Marks of Secret is a great fit for 5th grade. The reading level is AR 5, which is typical for 5th 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, prophecy and destiny. Note: this is book 4 in a series — your child should read the earlier books first.
How long does it take to read Gregor and the Marks of Secret?
At a typical 5th grade reading pace, Gregor and the Marks of Secret takes around 7.9h to finish. The book has 78,000 words. Slower or faster readers may vary significantly.
Does Gregor and the Marks of Secret have an AR quiz?
Yes — Gregor and the Marks of Secret has an AR quiz available, worth 11 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 Marks of Secret?
Gregor and the Marks of Secret has an AR reading level of 5, which places it at a 5th 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.