Brainfire
Campbell Black
Brainfire
Age Rating, Reading Level & Content Guide
A Novel
by Campbell Black
The text is written at a 7th 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
The alarm blares as the secret lab’s lights flicker out. You’re thrown into a mission where every second counts and every shadow could be an enemy. But when the unexpected happens, will you make it out alive?
Quick Assessment
Brainfire is a thrilling middle-grade mystery packed with suspense and espionage, suitable for readers ages 9-12. The story features high-stakes action and complex puzzles that challenge young readers' problem-solving skills without graphic content. Parents should note the tension and suspense elements common in spy-themed adventures.
Why we rated Brainfire 12MP
Brainfire is written at a Level 7 reading level across 360 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Brainfire works for readers up to grade 9.0.
We rate Brainfire as 12MP ("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, Brainfire explores mystery, thriller, spies & politics, and adventure — 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, thriller, spies & politics.
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
12MP — 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
- 0688035248
- Pages
- 360
- Publisher
- Morrow
- Published
- 1979
- Type
- Fiction