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The bone wars

Kathryn Lasky

Cover of The bone wars

The bone wars

Age Rating, Reading Level & Content Guide

by Kathryn Lasky

Reading Level 7 12ME Ages 9-12 Balanced Read

The text is written at a 7th 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

Thad Longsworth races across the dusty plains, heart pounding as rival paleontologists clash over ancient bones. The Sioux warriors gather nearby, tension crackling in the air like a storm. Suddenly, everything changes in a flash—who will claim the prize, and what will it cost?

Quick Assessment

Set in the turbulent 1870s Great Plains, this historical fiction follows Thad, a young scout connected to the Sioux visionary Black Elk, as he navigates conflicts between paleontologists and the looming threat of war between Native Americans and settlers. Suitable for ages 9-12, it blends adventure with themes of cultural tension and historical events, offering a thoughtful look at this complex period.

Why we rated The bone wars 12ME

The bone wars is written at a Level 7 reading level across 378 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The bone wars works for readers up to grade 9.0.

We rate The bone wars as 12ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, physical peril, social complexity, thematic difficulty — these are the dimensions parents should evaluate against their reader's tolerance.

No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.

Thematically, The bone wars explores historical, adventure, coming of age, family, and social justice — these threads give the book room to mean different things to different readers. Each of these themes is concrete enough to seed a real conversation, not just a moral lesson.

Good fit for

  • Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
  • Patient readers who enjoy slower, character-driven stories.
  • Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
  • Kids drawn to stories about historical, adventure, coming of age.

Maybe not for

  • ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

12ME — Moderate — Emotional
Emotional
Moderate
Physical
Moderate
Social
Moderate
Thematic
Moderate

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

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

5/10

Good conversation starter with themes worth exploring together.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
6
Emotional Weight
6
Theme Richness
6
World Scope
5
Data Confidence
7

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Details

Book Length

378 pages
ISBN
9780688074333
Pages
378
Publisher
Morrow Junior Books
Published
1988
Type
Fiction

Genres

Subjects

Black Elk, 1863-1950Indians of North AmericaWarsGreat PlainsPaleontologyWest

People

Black Elk (1863-1950)

Places

Great PlainsWest (U.S.)