What reading level is One of us?

One of us by Jeannie Waudby is at a Level 3 reading level (Lexile 590L). Recommended for Upper Grades readers (Ages 13+).

What age is One of us appropriate for?

One of us is recommended for Ages 13+. HootRating: 8IP (Intense — Physical). Content flags: Terrorism, Violence.

What genre is One of us?

One of us is fiction — Juvenile Fiction.

Does One of us have any content warnings?

One of us has a HootRating of 8IP (Intense — Physical). Content flags include: Terrorism, Violence. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is One of us?

One of us by Jeannie Waudby is 319 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

One of us

Jeannie Waudby

One of us

Age Rating, Reading Level & Content Guide

by Jeannie Waudby

Reading Level 3 8IP Ages 13+ Heads Up

The text is written at a 3rd grade reading level, the subject matter is intended for teens (ages 13+), and the content is intense and may include graphic or distressing scenes.

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About This Book

The sharp crack of an explosion shatters the quiet, sending smoke and fear swirling through the air. K finds herself caught between two worlds—a secret spy life and the reality of danger closing in. Can she trust anyone when every truth hides a lie?

Themes

Juvenile fictionSchoolsYoung adult fictionAdventure Social Justice Mystery

Quick Assessment

This young adult novel follows K, a teenager who becomes involved in espionage against a rising radical group after surviving a bomb attack. The story deals with themes of terrorism and the challenges of leading a double life, suitable for mature teens due to its intense subject matter. Parents should be aware that the book addresses complex social issues and contains suspenseful, potentially distressing scenes.

Why we rated One of us 8IP

One of us is written at a Level 3 reading level with a Lexile measure of 590L across 319 pages. Strong independent readers around grade 4.0 can typically handle this book on their own; with parent or teacher support, One of us works for readers up to grade 5.0.

We rate One of us as 8IP ("Intense — Physical") because the content sits in the "Intense" range — intense conflict including peril, frightening scenes, or emotionally heavy themes. The strongest signals come from emotional weight, physical peril, social complexity, thematic difficulty — these are the dimensions parents should evaluate against their reader's tolerance.

Specific content flags noted by reviewers: Terrorism, Violence.

Thematically, One of us explores juvenile fiction, schools, young adult fiction, adventure, and social justice — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
✓ Kids drawn to stories about juvenile fiction, schools, young adult fiction.

Maybe not for

! Sensitive readers who get overwhelmed by intense conflict or scary scenes.
! Children younger than 13+ — the content intensity is above what most younger kids can process comfortably.
! Children who are sensitive to violence, even when handled at age-appropriate levels.