Tin Heart
Shivaun Plozza
Tin Heart
Age Rating, Reading Level & Content Guide
A Novel
by Shivaun Plozza
The text is written at a 7th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
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About This Book
What would you do if you got a brand-new heart and a chance to start over? Marlowe is about to find out as she dives into a world full of quirky family moments, unexpected friendships, and a mystery that might change everything. But can she really leave her old life behind?
Quick Assessment
Tin Heart is a middle-grade novel about Marlowe, a girl who receives a heart transplant and seeks to connect with her donor's family. The story explores themes of identity, family dynamics, and young romance, with age-appropriate content for readers aged 9-12. The book includes light romantic tension and addresses emotional growth with humor and warmth.
Why we rated Tin Heart 12LE
Tin Heart is written at a Level 7 reading level across 336 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Tin Heart works for readers up to grade 9.0.
We rate Tin Heart as 12LE ("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, Tin Heart explores family, friendship, coming of age, and romance — 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 family, friendship, coming of age.
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
12LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" 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
- 9781250312778
- Pages
- 336
- Publisher
- Macmillan + ORM
- Published
- 2019
- Type
- Fiction