HootRated mascot HootRated

Heart disease

Alvin Silverstein

Cover of Heart disease

Heart disease

Age Rating, Reading Level & Content Guide

America's #1 Killer

by Alvin Silverstein

Reading Level 4-5 9LE Ages 9-12 Balanced Read

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 mild with minimal sensitive material.

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

The heart pounds fast as the doctor rushes in, alerting the patient to a hidden danger inside. What causes the heart to struggle, and how can it be saved before it's too late? The answers might surprise you, but the real challenge is just beginning.

Quick Assessment

This middle-grade fiction book introduces readers to the human heart, exploring various heart diseases, their symptoms, causes, and treatments. Suitable for ages 9-12, it combines medical facts with storytelling to educate children about heart health and prevention strategies. The content is appropriate for this age group and presents health information in an accessible way.

Why we rated Heart disease 9LE

Heart disease is written at a Level 4-5 reading level across 150 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Heart disease works for readers up to grade 6.5.

We rate Heart disease as 9LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

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

Thematically, Heart disease explores science & nature, health, and family — these threads give the book room to mean different things to different readers.

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.
  • Kids drawn to stories about science & nature, health, family.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

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

Reading Insights

Hook Factor

1/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
3
World Scope
1
Data Confidence
7

Similar Books

Based on content and theme analysis

See all books like this →

Details

Book Length

150 pages
ISBN
0397320833
Pages
150
Publisher
Lippincott Williams & Wilkins
Published
1985
Type
Fiction

Genres

Subjects

HeartDiseasesHeart, Diseases