Reviewed by HootRated editorial · Last updated
Invincible
Sherrilyn Kenyon
The text is written at a 4th grade reading level, the subject matter is intended for teens (ages 13+), 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
After surviving a terrifying zombie attack, Nick Gautier faces challenges at school and uncovers mysterious secrets while racing against dark forces to control the power of the undead. With danger looming from demons and shape-shifters, he must find strength and courage to protect his soul. Adventure and suspense build as Nick fights to stay invincible.
Quick Assessment
This is a Level 4-5 book with moderate content intensity. Content themes include fantasy violence, physical danger, fear & anxiety. Written for readers ages 13+.
Why we rated Invincible ME (Moderate)
Invincible is written at a Level 4-5 reading level (approximately 69,169 words). Upper Grades (Ages 13+) is the typical interest range for this book — readers in that age band have the maturity and attention span suited to the story, separate from whether they can decode the words.
Read aloud, Invincible runs about 7.7 hours — long enough to span several bedtime sessions.
We rate Invincible 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, physical peril — these are the dimensions parents should evaluate against their reader's tolerance.
Specific content flags noted by reviewers: Fantasy Violence, Physical Danger, Fear & Anxiety.
Thematically, Invincible explores adventure, fantasy world-building, coming of age, and friendship — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
- ✓ Readers who like a steady plot with enough momentum to keep pages turning.
- ✓ Kids drawn to stories about adventure, fantasy world-building, coming of age.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 7 more books in the Chronicles of Nick series.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
- ! Children who are sensitive to violence, even when handled at age-appropriate levels.
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.
Content Flags
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Hook Factor
5/10Engaging read with themes and hooks that keep pages turning.
Discussion Potential
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the Chronicles of Nick Series
Infinity
Sherrilyn Kenyon
Infinity
Sherrilyn Kenyon
Infamous
Sherrilyn Kenyon
Infamous
Sherrilyn Kenyon
Inferno
Sherrilyn Kenyon
Inferno
Sherrilyn Kenyon
Illusion
Sherrilyn Kenyon
Illusion
Sherrilyn Kenyon
Instinct
Sherrilyn Kenyon
Instinct
Sherrilyn Kenyon
Invision
Sherrilyn Kenyon
Invision
Sherrilyn Kenyon
Intensity (Dark-Hunters: Chronicles of Nick)
Sherrilyn Kenyon
Intensity (Dark-Hunters: Chronicles of Nick)
Sherrilyn Kenyon
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Details
Book Length
- ISBN
- 9780312599065
- Publisher
- St. Martin's Griffin
- Published
- 2011
- Type
- Fiction
- Word Count
- 69,169
- Read-Aloud
- ~7h 41m