The three colonels
Patrick Cosgrave
The three colonels
Age Rating, Reading Level & Content Guide
by Patrick Cosgrave
The text is written at a 6th 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
There’s a secret hidden deep in the heart of London—a secret that could change everything. One brave colonel knows the truth about a secret group nobody else believes exists, but that’s only the beginning.
Quick Assessment
This middle-grade fiction book follows a British colonel who struggles to convince his government that London is the center of an international terrorist group. The story explores themes of bravery and intrigue, suitable for ages 9-12, with mild suspense but no graphic content.
Why we rated The three colonels 11LS
The three colonels is written at a Level 6 reading level across 224 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The three colonels works for readers up to grade 8.0.
We rate The three colonels as 11LS ("Light — Social") 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, The three colonels explores adventure, mystery, and social justice — 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 adventure, mystery, social justice.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LS — Light — SocialLight 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
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 0333259416
- Pages
- 224
- Publisher
- Macmillan
- Published
- 1979
- Type
- Fiction