Reviewed by HootRated editorial · Last updated
Underground
Jean Ferris
Underground
Age Rating, Reading Level & Content Guide
by Jean Ferris
The text is written at a 4th grade reading level, the subject matter is intended for older middle graders (ages 11+), and the content has moderate intensity with some emotionally heavy themes. Its HootRating code, ME, means moderate content, mostly emotional.
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About This Book
The cool, damp air of Mammoth Cave wraps around you like a secret as footsteps echo softly in the dark. Charlotte feels the rough stone walls pressing close, a reminder of the world above that holds her captive. But beneath the earth, a different kind of freedom flickers—one that might change everything.
Themes
Quick Assessment
Set in 1839 Kentucky, this historical fiction novel follows Charlotte, a sixteen-year-old enslaved maid, and Stephen, a skilled cave guide and fellow slave, as they navigate the dangers and hopes of their lives around Mammoth Cave. The story explores themes of freedom, courage, and moral choices, suitable for teens aged 13 and up. Parents should be aware of the book’s depiction of slavery and the emotional challenges faced by the characters.
Why we rated Underground ME (Moderate)
Underground is written at a Level 4-5 reading level across 176 pages. Reading-wise, most kids in grade 6 and up can manage Underground on their own; younger readers can enjoy it with a parent or teacher reading along.
We rate Underground as ME (Moderate, mostly 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, social complexity — 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, Underground explores historical, african-american, family, coming of age, and nature & the natural world — 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 11+ range — the maturity and attention span match the story's pacing.
- ✓ Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
- ✓ Kids drawn to stories about historical, african-american, family.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
For Parents
Content Intensity
ME · Moderate · EmotionalReading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate
Real stakes and emotional weight. May include sustained danger, loss, or bullying.
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Discussion Potential
5/10Good conversation starter with themes worth exploring together.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780374372439
- Pages
- 176
- Publisher
- Farrar, Straus and Giroux (BYR)
- Published
- October 16, 2007
- Type
- Fiction