The tomorrow code

Name: The tomorrow code
Author: Brian Falkner
ISBN: 9780375843648

Age Rating, Reading Level & Content Guide

by Brian Falkner

Reading Level 5-6 10LE 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

What if a message from the future warned you that the world was about to end? Two teens in New Zealand get a mysterious SOS from their future selves and must race against time to stop a disaster that could destroy everything. Can they change the future before it's too late?

Themes

Science & Nature AdventureEnvironmental AwarenessFriendship

Quick Assessment

This middle-grade science fiction novel follows two New Zealand teenagers who receive a warning from their future selves about an environmental catastrophe. The story explores themes of ecological responsibility and adventure while maintaining an age-appropriate tone for readers aged 9-12. Parents should note the story includes suspenseful moments related to environmental threats but contains no graphic content.

Why we rated The tomorrow code 10LE

The tomorrow code is written at a Level 5-6 reading level with a Lexile measure of 830L across 349 pages. Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, The tomorrow code works for readers up to grade 7.5.

We rate The tomorrow code as 10LE ("Light — Emotional") 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, The tomorrow code explores science & nature, adventure, environmental awareness, 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.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about science & nature, adventure, environmental awareness.