Ghost Soldiers (Invisible Detective)
Justin Richards
Ghost Soldiers (Invisible Detective)
Age Rating, Reading Level & Content Guide
by Justin Richards
The text is written at a 6th 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.
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About This Book
Arthur’s heart pounds as he steps into the shadowy, crumbling house, whispers swirling around him like ghosts. Suddenly, a chilling figure in an old soldier’s uniform appears, eyes glowing with menace. Who—or what—is really haunting these halls?
Quick Assessment
Set in both modern-day and 1936 London, this middle-grade mystery follows Arthur Drake and his friends as they investigate strange deaths and a haunted house linked to a secret group called the Invisible Detective. The story weaves elements of suspense and supernatural mystery appropriate for ages 9 to 12, with mild peril and fantasy violence that are handled thoughtfully. Parents should note the presence of ghostly themes and some tense moments involving mysterious soldiers.
Why we rated Ghost Soldiers (Invisible Detective) 11MP
Ghost Soldiers (Invisible Detective) is written at a Level 6 reading level across 272 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Ghost Soldiers (Invisible Detective) works for readers up to grade 8.0.
We rate Ghost Soldiers (Invisible Detective) as 11MP ("Moderate — Physical") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from physical peril, thematic difficulty — 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, Ghost Soldiers (Invisible Detective) explores mystery, adventure, friendship, and fantasy world-building — 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 mystery, adventure, friendship.
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
11MP — Moderate — PhysicalReal stakes and emotional weight. May include sustained danger, loss, or bullying.
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781847380050
- Pages
- 272
- Publisher
- Simon & Schuster Children's UK
- Published
- February 5, 2007
- Type
- Fiction