The Eureka key

Sarah L. Thomson

Cover of The Eureka key

The Eureka key

Age Rating, Reading Level & Content Guide

by Sarah L. Thomson

Secrets of the Seven

Reading Level 4-5 Moderate (Lvl 3) Ages 9-12 Matched

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

Sam, a gifted puzzle solver, teams up with history expert Martina and Theo, who has a famous family legacy, to embark on an adventurous summer quest across the United States. They race against a villainous descendant of Benedict Arnold to uncover seven hidden keys left by the Founding Fathers, each protected by clever riddles and traps. Together, they must outsmart danger and unlock a mysterious invention that could change the fate of the nation.

Themes

Quick Assessment

This is a Level 4-5 book with moderate content intensity. Content themes include mild peril, physical danger. Written for readers ages 9-12.

For Parents

Content Intensity

Level 3 — Moderate
Gentle Mild Moderate Intense Very Intense

Real stakes and emotional weight. May include sustained danger, loss, or bullying.

Content Flags

Mild Peril Physical Danger
Data confidence: high

Was our "Moderate" content intensity rating accurate for this book?

Reading Insights

Hook Factor

6/10

Engaging read with solid pacing and interesting themes.

Discussion Potential

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
6
Narrative Pace
5
Theme Richness
7
World Scope
1
Data Confidence
8

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Details

Book Length

227 pages
48,139 words
5h 21m read-aloud
ISBN
9781619637313
Pages
227
Publisher
Bloomsbury USA Childrens
Published
2016
Type
Fiction
Word Count
48,139
Lexile
680L
Read-Aloud
~5h 21m
Text Density
Standard

Genres

Subjects

PuzzlesAntiquitiesSecret Societies