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Sisters in crime

Carolyn Keene

Cover of Sisters in crime

Sisters in crime

Age Rating, Reading Level & Content Guide

by Carolyn Keene

Reading Level 4-5 9MP Ages 9-12 Matched

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.

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About This Book

Nancy races through the crowded campus, heart pounding as she spots something suspicious near the old sorority house. A chilling secret hides in the shadows, and every step brings her closer to danger. Suddenly, a noise behind her makes her freeze—who’s following her in the dark?

Quick Assessment

This middle-grade mystery follows Nancy as she investigates a troubling death on her school campus. Aimed at readers aged 9-12, the story involves suspense and mild peril but remains appropriate for this age group. Parents should note the themes of mystery and detective work with some tense moments related to crime.

Why we rated Sisters in crime 9MP

Sisters in crime is written at a Level 4-5 reading level across 149 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Sisters in crime works for readers up to grade 6.5.

We rate Sisters in crime 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 — 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, Sisters in crime explores mystery, adventure, friendship, and coming of age — 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, adventure, friendship.

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 — Physical
Emotional
Light
Physical
Moderate
Social
Clear
Thematic
Light

Real stakes and emotional weight. May include sustained danger, loss, or bullying.

Data confidence: standard

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

Reading Insights

Hook Factor

3/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
6
Theme Richness
4
World Scope
1
Data Confidence
7

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Details

Book Length

149 pages
ISBN
9780671679576
Pages
149
Publisher
Simon Pulse
Published
1988
Type
Fiction

Genres

Subjects

Mystery and Detective StoriesMysteryMysteries, Espionage, & Detective StoriesDrewNancy