Heart and blood
Carol Ballard
Heart and blood
Age Rating, Reading Level & Content Guide
injury, illness, and health
by Carol Ballard
The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
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About This Book
Have you ever wondered how your heart keeps you alive every single day? Imagine tiny red blood cells zooming through your body, delivering important stuff to every corner. But what happens when the heart or blood don’t work like they should?
Themes
Quick Assessment
This early reader explores the functions of the heart and blood in the human body, introducing young children to basic concepts of circulation and cardiovascular health. It gently addresses how diseases and disorders can affect these vital systems in an age-appropriate way, making complex science accessible for ages 5 to 8.
Why we rated Heart and blood 7C
Heart and blood is written at a Level 2 reading level across 48 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, Heart and blood works for readers up to grade 4.0.
We rate Heart and blood as 7C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, Heart and blood explores science & nature, health, and education — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 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, education.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
7C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
1/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781432934187
- Pages
- 48
- Publisher
- Heinemann-Raintree Library
- Published
- 2009
- Type
- Nonfiction