Gideon's power
J. J. Marric
Gideon's power
Age Rating, Reading Level & Content Guide
by J. J. Marric
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.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
The steady hum of London's power stations suddenly cuts out, plunging neighborhoods into darkness and buzzing with mystery. A strange green bicycle appears near every blackout, and Commander Gideon is on the trail to uncover who’s behind it all. But as the city’s lights fade, more secrets come to light — and the stakes keep rising.
Themes
Quick Assessment
Set in London, this middle-grade mystery follows Scotland Yard Commander George Gideon as he investigates a series of strange power outages linked to a mysterious green bicycle. Alongside a kidnapping case and a surprising twist in an old murder, the story offers suspense and intrigue appropriate for ages 9-12. Parents should note the presence of crime-related themes and mild peril, but the narrative remains suitable for middle-grade readers.
Why we rated Gideon's power 9MP
Gideon's power is written at a Level 4-5 reading level across 192 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Gideon's power works for readers up to grade 6.5.
We rate Gideon's power as 9MP ("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, Gideon's power explores mystery, police, adventure, and friendship — 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, police, 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
9MP — 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
Similar Books
Based on content and theme analysis
Powerless
Tera Lynn Childs
Powerless
Tera Lynn Childs
Gideon's press
J. J. Marric
Gideon's press
J. J. Marric
Gideon
Aaron
Gideon
Aaron
Power
Joe Craig
Power
Joe Craig
Mysterious powers and strange forces
Eliot Humberstone
Mysterious powers and strange forces
Eliot Humberstone
Mysterious powers and strange forces
Eliot Humberstone
Mysterious powers and strange forces
Eliot Humberstone
Details
Book Length
- ISBN
- 0340107545
- Pages
- 192
- Publisher
- Hodder & Stoughton
- Published
- 1969
- Type
- Fiction