The underground

Jerry B. Jenkins

Cover of The underground

The underground

Age Rating, Reading Level & Content Guide

by Jerry B. Jenkins

Left Behind: The Kids

Reading Level 4-5 Intense (Lvl 4) Ages 9-12 Heads Up Page-Turner

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is intense and may include graphic or distressing scenes.

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About This Book

A brave group of kids band together to stand up against danger lurking beneath the surface. They face thrilling challenges that test their courage and friendship as they uncover secrets that could change everything. Adventure and suspense await in their fight to protect what they love.

Quick Assessment

This is a Level 4-5 book with intense content intensity. Content themes include emotional: loss & grief, physical/safety: injury & trauma, physical/safety: kidnapping. Written for readers ages 9-12.

For Parents

Content Intensity

Level 4 — Intense
Gentle Mild Moderate Intense Very Intense

Heavy themes explored in depth. War, death, abuse addressed directly.

Content Flags

Emotional: Loss & Grief Physical/Safety: Injury & Trauma Physical/Safety: Kidnapping Physical/Safety: Death Physical/Safety: Graphic Violence
Data confidence: standard

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

Reading Insights

Hook Factor

7/10

High engagement — fast-paced, fun, and hard to put down. Great for reluctant readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
3
Emotional Weight
8
Narrative Pace
7
Theme Richness
9
World Scope
1
Data Confidence
7

More in the Left Behind: The Kids Series

Segunda Oportunidad / Second Chance (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #2)

Jerry B. Jenkins

Cover of Segunda Oportunidad / Second Chance (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #2)

Segunda Oportunidad / Second Chance (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #2)

Jerry B. Jenkins

Level 4-5 Moderate

A Traves del Fuego / Through the Flames (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #3)

Jerry B. Jenkins

Cover of A Traves del Fuego / Through the Flames (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #3)

A Traves del Fuego / Through the Flames (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #3)

Jerry B. Jenkins

Level 4-5 Moderate

De Cara al Fuego / Facing the Future (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #4)

Jerry B. Jenkins

Cover of De Cara al Fuego / Facing the Future (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #4)

De Cara al Fuego / Facing the Future (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #4)

Jerry B. Jenkins

Level 5-6 Moderate

Secundario Nicolas / Nicolae High (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #5)

Tim F. LaHaye

Cover of Secundario Nicolas / Nicolae High (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #5)

Secundario Nicolas / Nicolae High (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #5)

Tim F. LaHaye

Level 4-5 Mild

El Clandestino / Underground (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #6)

Tim F. LaHaye

Cover of El Clandestino / Underground (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #6)

El Clandestino / Underground (Serie Dejados Atras: Los Chicos - Left Behind Series: The Kids, #6)

Tim F. LaHaye

Level 4-5 Moderate

Left behind

Jerry B. Jenkins

Cover of Left behind

Left behind

Jerry B. Jenkins

Level 4-5 Intense

Left behind

Jerry B. Jenkins

Cover of Left behind

Left behind

Jerry B. Jenkins

Level 4-5 Intense

Left behind

Jerry B. Jenkins

Cover of Left behind

Left behind

Jerry B. Jenkins

Level 5-6 Intense

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Details

Book Length

130 pages
19,105 words
2h 7m read-aloud
ISBN
0842343261
Pages
130
Publisher
Tyndale House Publishers, Inc.
Published
1999
Type
Fiction
Word Count
19,105
Read-Aloud
~2h 7m
Text Density
Light Text

Genres