What reading level is Or Not?

Or Not by Brian Mandabach is at a Level 5-6 reading level (Lexile 840L). Recommended for Upper Grades readers (Ages 13+).

What age is Or Not appropriate for?

Or Not is recommended for Ages 13+. HootRating: 10ME (Moderate — Emotional).

What genre is Or Not?

Or Not is fiction — Colorado.

Does Or Not have any content warnings?

Or Not has a HootRating of 10ME (Moderate — Emotional). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Or Not?

Or Not by Brian Mandabach is 408 pages.

Reviewed by HootRated editorial · Last updated July 16, 2026

Or Not

Brian Mandabach

Or Not

Age Rating, Reading Level & Content Guide

by Brian Mandabach

Reading Level 5-6 10ME Ages 13+ Matched

The text is written at a 5th grade reading level, the subject matter is intended for teens (ages 13+), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

Cassie Sullivan is the kid who dares to speak her mind when everyone else stays silent. She faces tough choices and even tougher people in a world that’s still healing after big changes. What happens when standing up for what you believe in makes you stand all alone?

Themes

Coming of Age Identity & Self-Discovery Family Social Justice Friendship

Quick Assessment

This novel follows Cassie Sullivan, a young girl navigating the challenges of junior high in a post-9/11 environment. It explores themes of identity, courage, and social pressure with humor and poignancy, making it suitable for teens aged 13 to 18. Parents should note the book deals with sensitive topics related to cultural tensions and personal beliefs but handles them thoughtfully.

Why we rated Or Not 10ME

Or Not is written at a Level 5-6 reading level with a Lexile measure of 840L across 408 pages. Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, Or Not works for readers up to grade 7.5.

We rate Or Not as 10ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, 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 moderate intensity score.

Thematically, Or Not explores coming of age, identity & self-discovery, family, social justice, and friendship — these threads give the book room to mean different things to different readers. Each of these themes is concrete enough to seed a real conversation, not just a moral lesson.

Good fit for

✓ Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
✓ Kids drawn to stories about coming of age, identity & self-discovery, family.

Maybe not for

! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
! Reluctant readers who need a fast hook — the pacing here rewards patience.