What reading level is Nothing left to ooze?

Nothing left to ooze by John Kloepfer is at a Level 5-6 reading level (Lexile 890L). Recommended for Middle Grades readers (Ages 9-12).

What age is Nothing left to ooze appropriate for?

Nothing left to ooze is recommended for Ages 9-12. HootRating: 10LP (Light — Physical).

What genre is Nothing left to ooze?

Nothing left to ooze is fiction — Juvenile Fiction.

Does Nothing left to ooze have any content warnings?

Nothing left to ooze has a HootRating of 10LP (Light — Physical). 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 Nothing left to ooze?

Nothing left to ooze by John Kloepfer is 212 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

Nothing left to ooze

John Kloepfer

Nothing left to ooze

Age Rating, Reading Level & Content Guide

by John Kloepfer

Illustrated by DeGrand, David, illustrator

Reading Level 5-6 10LP Ages 9-12 Balanced Read

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

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About This Book

Zack and his friends race across icy rivers, dodging slime-spewing zombies and wild thrill seekers all chasing the last antidote to the zombie outbreak. Just when they think they're close, a chilling howl echoes through the night — what new danger awaits?

Themes

Survival Humor AdventureZombie FictionFriendship

Quick Assessment

This middle-grade novel follows Zack Clarke and his friends as they embark on a humorous and fast-paced adventure to find the last zombie antidote and stop a new wave of reanimated zombies. Suitable for ages 9-12, it features mild fantasy violence and slapstick humor, with plenty of illustrations to engage young readers. Parents should note the presence of zombie-themed peril and cartoonish scares, which are presented in a lighthearted, comedic manner.

Why we rated Nothing left to ooze 10LP

Nothing left to ooze is written at a Level 5-6 reading level with a Lexile measure of 890L across 212 pages. Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, Nothing left to ooze works for readers up to grade 7.5.

We rate Nothing left to ooze as 10LP ("Light — Physical") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, Nothing left to ooze explores survival, humor, adventure, zombie fiction, and friendship — 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 survival, humor, adventure.