One of Us Is Lying

Name: One of Us Is Lying
Author: Karen M. McManus

Read with caution

Some content parents may want to preview or discuss.

Published: 2017
Ages: 14–18

About the book

Five students walk into detention, but only four walk out alive. Everyone is a suspect, and everyone has something to hide.

AI summary

Five students walk into detention, but only four walk out alive. Everyone is a suspect, and everyone has something to hide.

Why parents choose this book

What makes One of Us Is Lying worth choosing

An honest, parent-first look at who this book suits, what it offers, and what to know before you buy.

Best for

Age range: 14–18 (fits siblings across a range).
Reading maturity: Young adult — teen protagonists and more nuanced themes.
Kids who tend to love it: Mystery, Contemporary.
Personality fit: puzzle-solvers who like to figure things out.

Parents love this book because

Written by Karen M. McManus, whose books parents return to for consistently thoughtful storytelling.

Your child will probably enjoy One of Us Is Lying if they…

Enjoy solving mysteries

This book helps develop

Vocabulary, sustained attention, and reading confidence for the 14–18 age band.

Things parents should know

Violence: clear on-page conflict without lingering detail.
Language: occasional mild words for the older end of the band.
Sexual content: references or fade-to-black moments.

Reading commitment

Estimated reading time

Varies by reader

Length

Length varies by edition

Difficulty

Young adult

Works as read-aloud

Usually read independently

Good for independent readers

Yes — suits confident readers in the age band

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Why we recommend it

We recommend One of Us Is Lying for the 14–18 age band with a small heads-up on content — worth previewing or discussing. It leans into mystery in a way that feels genuine, not formulaic. Karen M. McManus's voice is what makes it stick: readable, respectful of kids, and easy to hand to the next child in the family.