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Bo and the night intruder

Lynn Sheffield Simmons

Cover of Bo and the night intruder

Bo and the night intruder

Age Rating, Reading Level & Content Guide

by Lynn Sheffield Simmons

Reading Level 4-5 9MS 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

Bo's nose twitches as he catches a strange scent in the Texas night. Suddenly, a shadowy figure sneaks past the glowing neon sign of the restaurant. But just when Bo’s about to bark, something unexpected happens…

Quick Assessment

This middle-grade fiction features Bo, a brave Labrador retriever who assists the police in uncovering illegal activities in Texas. The story touches on themes of immigration and crime in a way that's suitable for readers aged 9 to 12, with no graphic content but some tension around law enforcement and community safety.

Why we rated Bo and the night intruder 9MS

Bo and the night intruder is written at a Level 4-5 reading level across 117 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Bo and the night intruder works for readers up to grade 6.5.

We rate Bo and the night intruder as 9MS ("Moderate — Social") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. The strongest signals come from social complexity — 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 mild intensity score.

Thematically, Bo and the night intruder explores dogs, adventure, social justice, 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about dogs, adventure, social justice.

Maybe not for

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

For Parents

Content Intensity

9MS — Moderate — Social
Emotional
Light
Physical
Light
Social
Moderate
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
4
World Scope
3
Data Confidence
7

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Details

Book Length

117 pages
ISBN
1589802667
Pages
117
Publisher
Pelican Publishing
Published
2005
Type
Fiction

Genres

Subjects

Labrador RetrieverDogsIllegal AliensImmigrantsTexas

Places

Texas