Lockwood & Co.: Book One
Jonathan Stroud
Lockwood & Co.: Book One
Age Rating, Reading Level & Content Guide
The screaming staircase
by Jonathan Stroud
Illustrated by Adams, Kate, illustrator
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
I have a secret to tell you: only kids like you can see the scary ghosts haunting London. Lucy Carlyle just joined a daring ghost-hunting team, but when they face the creepy Screaming Staircase in a haunted house, things get way more dangerous than anyone expected — and that's only the beginning.
Themes
Quick Assessment
This middle-grade paranormal fiction follows Lucy Carlyle as she joins Lockwood & Co., a youth-run ghost-hunting agency in London. The story features suspenseful ghost encounters and mild scares suitable for ages 9-12, with themes of teamwork and bravery. Parents should note the presence of supernatural elements and some tense moments but no graphic content.
Why we rated Lockwood & Co.: Book One 12LE
Lockwood & Co.: Book One is written at a Level 7 reading level across 390 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Lockwood & Co.: Book One works for readers up to grade 9.0.
We rate Lockwood & Co.: Book One 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, Lockwood & Co.: Book One explores ghost stories, adventure, friendship, paranormal fiction, and humor — 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 ghost stories, adventure, friendship.
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.
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
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781423186922
- Pages
- 390
- Publisher
- Little, Brown Books for Young Readers
- Published
- 2014
- Type
- Fiction