Reviewed by HootRated editorial · Last updated
Johnny and the bomb
Terry Pratchett
Johnny and the bomb
Age Rating, Reading Level & Content Guide
by Terry Pratchett
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. Its HootRating code, LE, means mild content, mostly emotional.
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About This Book
Here's a secret: Johnny Maxwell finds a mysterious shopping cart that can send him back to 1941 England, right in the middle of World War II. But traveling through time is just the start of an adventure that will change everything he thought he knew.
Themes
Quick Assessment
This middle-grade novel follows thirteen-year-old Johnny Maxwell as he discovers a magical shopping cart that transports him to 1941 England during World War II. It explores historical themes and time travel in a way that is accessible and engaging for children ages 9-12, with some references to war and its impact suitable for this age group.
Why we rated Johnny and the bomb LE (Mild)
Johnny and the bomb is written at a Level 6 reading level across 245 pages. Reading-wise, most kids in grade 7 and up can manage Johnny and the bomb on their own; younger readers can enjoy it with a parent or teacher reading along.
We rate Johnny and the bomb as LE (Mild, mostly 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, Johnny and the bomb explores time travel, historical, adventure, world war ii, and family — 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 time travel, historical, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
LE · Mild · EmotionalReading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate
Light conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Discussion Potential
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780060541910
- Pages
- 245
- Publisher
- Harper Collins
- Published
- 2007
- Type
- Fiction