Cover of Stormbreaker

Stormbreaker

by Anthony Horowitz · Grades 5–8 · Adventure

Stormbreaker by Anthony Horowitz is on US reading lists at grades 5–8. It appears on 3 lists: 3 book-award lists, across 3 states. Every citation below links to the primary source.

Buy on Amazon

Free at your library: Libby

Before you buy: Ages 10–14 · Grades 5–8. The button opens the print edition (ISBN 9781406366327). If the class uses a set edition or translation, match its ISBN first.

Listen free on Audiblestarts instantly

Audible trial: new members only. As an Amazon Associate, ReadingList earns from qualifying purchases and membership trials at no extra cost to you.

Widely assigned — 3 curriculum lists · 3 states

Grade placement varies by school — the median assigned book spans 4 grade levels (83% span three or more, across 13,258 source-cited assignments).

On reading-award lists:California Young Reader MedalWisconsin Golden Archer AwardRebecca Caudill Young Readers' Book Award

This page shows where Stormbreaker is assigned in US schools — curricula, states, grades, and the primary-source citations behind each placement. Not a summary or study guide.

Reading level at a glance

Grade range
Grades 5–8
Age range
Ages 10–14
First published
2000
Genre
Adventure
ISBN-13
9781406366327

Sources: grade range from the cited lists below, last checked 2026-06-10; pages and year from our catalog record (sources); reading time is an estimate at 250 words a minute.

Good fit for grade 5?

If you have read it with a child or a class in this grade, tell other parents and teachers. One tap, no account.

New to these terms? Reading levels by grade

More formats & details

Other formats on Amazon: Kindle · Audiobook

As an Amazon Associate, ReadingList earns from qualifying purchases and membership trials at no extra cost to you. Pricing, Prime, and trial terms shown on Amazon.

More like this

Same grade band, chosen by theme and by how many reading lists carry them. As an Amazon Associate, ReadingList earns from qualifying purchases at no extra cost to you.

Show 12 more

About this book

Book facts and sources (3)
On award reading lists
Catalog record
First published 2000 (source: how we source book data)

Similar grade-level books

See all books like Stormbreaker→ — matched on theme + reading level.

Why widely assigned

This adventure title is typically read at grades 5–8. Written in the 2000s; pairs with curriculum units on spies and adventure; cited on 3 lists: 3 book-award lists.

Themes

spies · adventure · courage

Where this book is recommended

Was this page helpful?

Common questions

What grade level is Stormbreaker?
Stormbreaker is listed for grades 5–8. It appears on 3 state book-award lists across 3 states. Exact placement varies by school and district.
What curricula assign Stormbreaker?
Stormbreaker appears on reading lists for California Young Reader Medal, Rebecca Caudill Young Readers' Book Award, Wisconsin Golden Archer Award. Each assignment on this site links to its primary-source citation.
Is Stormbreaker banned in schools?
Stormbreaker has documented removals from at least one public-school district in 1 state (TX) per PEN America's Index of School Book Bans 2022-2024. Policies vary by district.
What themes does Stormbreaker explore?
Central themes in Stormbreaker include spies, adventure, courage.

Why this book is on this list

How we classify

Each dimension below is sourced from a public reference. The full framework is documented on the classification standard page.

Lexile measure
Not classified — this book has no published Lexile measure.
Grade band
Grades 5–8 — drawn from the state book-award lists citing this book.
Curriculum alignment
Cited in 3 curricula on this site (see “Where recommended” above for primary-source links).
State-level evidence
On state book-award lists in 3 states (see citations above).
Removal / banning records
Documented as challenged or removed in 1 state per PEN America’s Index of School Book Bans — see the full banned & challenged books list.
Seasonal / contextual tags
Tagged for: book-club.

Keep browsing

Find ReadingList in your Google results more often: