Thunder

Bonnie S. Calhoun

Cover of Thunder

Thunder

Age Rating, Reading Level & Content Guide

A Novel

by Bonnie S. Calhoun

Reading Level 8 Moderate (Lvl 3) Ages 9-12 Balanced Read

The text is written at a 8th 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

What if the land you knew was gone, and the people you hunted suddenly became the ones chasing you? Selah crouches in the tall grass, searching for mysterious visitors from across the sea, but when a strange mark appears on her skin, everything changes. Now, she must decide who to trust in a world filled with secrets and danger.

Quick Assessment

Set in a post-apocalyptic America, this middle-grade science fiction story follows Selah, a young girl navigating a harsh world where survival means making difficult choices. The novel explores themes of trust, identity, and resilience with some mild peril and complex social dynamics, appropriate for readers ages 9-12. Parents should note the presence of tension related to hunting and capture scenarios, though handled thoughtfully within the story.

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 Fear & Anxiety
Data confidence: standard

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

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
7
Emotional Weight
6
Theme Richness
7
World Scope
1
Data Confidence
7

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Details

Book Length

432 pages
ISBN
9781441220530
Pages
432
Publisher
Revell
Published
2014
Type
Fiction

Genres

Subjects

Science Fiction