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Under the Radar (Tom Swift Young Inventor)

Victor Appleton

Cover of Under the Radar (Tom Swift Young Inventor)

Under the Radar (Tom Swift Young Inventor)

Age Rating, Reading Level & Content Guide

by Victor Appleton

Reading Level 4-5 9LE Ages 9-12 Balanced Read

The text is written at a 4th 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

The sharp buzz of a secret alarm cuts through the still night air. Tom and Sandy’s hearts race as they tiptoe through shadows, searching for their missing father. Every whisper could be a clue, but danger hides just beneath the surface.

Quick Assessment

Under the Radar follows siblings Tom and Sandy as they bravely search for their kidnapped father, navigating a world of rival organizations and unexpected allies. Suitable for children ages 9-12, this middle-grade adventure blends science and technology themes with action-packed storytelling. Parents should note the story involves suspense and mild peril but is appropriate for this age group.

Why we rated Under the Radar (Tom Swift Young Inventor) 9LE

Under the Radar (Tom Swift Young Inventor) is written at a Level 4-5 reading level across 160 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Under the Radar (Tom Swift Young Inventor) works for readers up to grade 6.5.

We rate Under the Radar (Tom Swift Young Inventor) as 9LE ("Light — 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, Under the Radar (Tom Swift Young Inventor) explores adventure, science & nature, 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about adventure, science & nature, family.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
3
World Scope
1
Data Confidence
7

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Details

Book Length

160 pages
ISBN
9781416936442
Pages
160
Publisher
Simon and Schuster
Published
October 2, 2007
Type
Fiction

Genres

Subjects

Action & AdventureBoysMenScience & TechnologyTom SwiftInventorsKidnappingScience FictionMystery and Detective StoriesMystery FictionSwiftTom