Johannes Kepler
John Hudson Tiner
Johannes Kepler
Age Rating, Reading Level & Content Guide
Giant of Faith and Science
by John Hudson Tiner
The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.
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About This Book
Have you ever wondered how the planets really move in the sky? Imagine living in a time when people believed the Earth was the center of everything, and one man dared to think differently. What secrets did Johannes Kepler uncover about the stars that could change the world forever?
Themes
Quick Assessment
This middle-grade biography introduces young readers to Johannes Kepler, the German astronomer who formulated the three laws of planetary motion. Suitable for ages 9-12, it explores Kepler's life and scientific discoveries in an accessible way without graphic content. The book offers historical context that inspires curiosity about astronomy and science.
Why we rated Johannes Kepler 11C
Johannes Kepler is written at a Level 6 reading level across 200 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Johannes Kepler works for readers up to grade 8.0.
We rate Johannes Kepler as 11C ("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, Johannes Kepler explores historical, science & nature, biography, astronomy, and coming of age — 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 historical, science & nature, biography.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
11C — 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
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780915134960
- Pages
- 200
- Publisher
- Mott Media (MI)
- Published
- June 1977
- Type
- Fiction