What reading level is Endling?

Endling by Katherine Applegate is at a Level 3-4 reading level (Lexile 690L). Recommended for Lower Grades readers (Ages 5-8).

What age is Endling appropriate for?

Endling is recommended for Ages 5-8. HootRating: 8ME (Moderate — Emotional).

Does Endling have any content warnings?

Endling has a HootRating of 8ME (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 Endling?

Endling by Katherine Applegate is 383 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

Endling

Katherine Applegate

Endling

Age Rating, Reading Level & Content Guide

The Last

by Katherine Applegate

Illustrated by Kostenko, Max, illustrator

Reading Level 3-4 8ME Ages 5-8 Heads Up

The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

What if you were the very last of your kind, hunted and alone in a world full of danger? Byx, a brave mythical doglike creature, must journey through a war-torn kingdom searching for others like her. But with every step, new secrets and threats emerge—will she find safety or face even greater peril?

Themes

Fantasy World-Building Adventure Friendship FamilyMythical AnimalsSecrets

Quick Assessment

Endling is a middle-grade fantasy novel about Byx, the youngest member of a nearly extinct mythical species called dairnes. After her family is killed, she embarks on a quest to find others like her, meeting allies and uncovering secrets along the way. Suitable for early readers aged 5-8, the story contains themes of loss, courage, and friendship within a fantasy adventure setting.

Why we rated Endling 8ME

Endling is written at a Level 3-4 reading level with a Lexile measure of 690L across 383 pages. Strong independent readers around grade 4.5 can typically handle this book on their own; with parent or teacher support, Endling works for readers up to grade 5.5.

We rate Endling as 8ME ("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, 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, Endling explores fantasy world-building, adventure, friendship, family, and mythical animals — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about fantasy world-building, 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.
! Reluctant readers who need a fast hook — the pacing here rewards patience.