Reviewed by HootRated editorial · Last updated
The Hollow Boy
Jonathan Stroud
The Hollow Boy
Age Rating, Reading Level & Content Guide
Lockwood & Co.: Book Three
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), 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
What if ghosts started appearing everywhere in London, causing chaos and fear? Anthony, George, and Lucy from Lockwood & Co. face mysterious hauntings, spooky footsteps, and even dangerous attackers at a city carnival. Can they solve these eerie mysteries while dealing with surprising new team members and secrets from the past?
Quick Assessment
Set in a supernatural London, this middle-grade novel follows three young ghost hunters tackling a surge of hauntings and escalating dangers. The story blends mystery, fantasy, and mild horror elements suitable for readers aged 9-12, featuring themes of teamwork, trust, and courage. Some suspenseful scenes and ghostly encounters may be intense but are balanced with humor and character development.
Why we rated The Hollow Boy ME (Moderate)
The Hollow Boy is written at a Level 4-5 reading level across 385 pages. Reading-wise, most kids in grade 6 and up can manage The Hollow Boy on their own; younger readers can enjoy it with a parent or teacher reading along.
We rate The Hollow Boy 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.
No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.
Thematically, The Hollow Boy explores fantasy world-building, mystery, adventure, friendship, and family — 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.
- ✓ Kids drawn to stories about fantasy world-building, mystery, adventure.
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
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781484709689
- Pages
- 385
- Publisher
- Disney-Hyperion
- Published
- 2015
- Type
- Fiction