Eternity Code
Eoin Colfer
Eternity Code
Age Rating, Reading Level & Content Guide
by Eoin Colfer
The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
When Artemis invents a tiny but mighty computer using magical fairy tech, it falls into the hands of a wicked businessman. Artemis, Juliet, Mulch, and their fairy friends team up on a thrilling quest to get it back before it’s too late. Packed with adventure and clever gadgets, this story keeps readers on the edge of their seats!
Quick Assessment
This is a Level 4-5 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.
Why we rated Eternity Code 9LP
Eternity Code is written at a Level 4-5 reading level (approximately 19,794 words). Strong independent readers around grade 5.1 can typically handle this book on their own; with parent or teacher support, Eternity Code works for readers up to grade 6.1.
Read aloud, Eternity Code runs about 2.2 hours — long enough to span several bedtime sessions.
We rate Eternity Code as 9LP ("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.
Specific content flags noted by reviewers: Mild Peril.
Thematically, Eternity Code explores adventure, fantasy world-building, friendship, and science & nature — 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.
- ✓ Readers who like a steady plot with enough momentum to keep pages turning.
- ✓ Kids drawn to stories about adventure, fantasy world-building, friendship.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 8 more books in the Artemis Fowl series.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
5/10Engaging read with solid pacing and interesting themes.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the Artemis Fowl Series
Artemis Fowl
Eoin Colfer
Artemis Fowl
Eoin Colfer
Artemis Fowl: The Arctic Incident
Eoin Colfer
Artemis Fowl: The Arctic Incident
Eoin Colfer
Artemis Fowl: The Eternity Code
Eoin Colfer
Artemis Fowl: The Eternity Code
Eoin Colfer
Artemis Fowl: The Opal Deception
Eoin Colfer
Artemis Fowl: The Opal Deception
Eoin Colfer
Artemis Fowl: The Lost Colony
Eoin Colfer
Artemis Fowl: The Lost Colony
Eoin Colfer
Artemis Fowl: The Time Paradox
Eoin Colfer
Artemis Fowl: The Time Paradox
Eoin Colfer
The Atlantis Complex (Artemis Fowl #7)
Eoin Colfer
The Atlantis Complex (Artemis Fowl #7)
Eoin Colfer
Last Guardian
Eoin Colfer
Last Guardian
Eoin Colfer
Similar Books
Based on content and theme analysis
Artemis Fowl
Eoin Colfer
Artemis Fowl
Eoin Colfer
The Eternity Code
Eoin Colfer
The Eternity Code
Eoin Colfer
Artemis Fowl
Eoin Colfer
Artemis Fowl
Eoin Colfer
Artemis Fowl The Opal Deception
Eoin Colfer
Artemis Fowl The Opal Deception
Eoin Colfer
Artemis Fowl
Eoin Colfer
Artemis Fowl
Eoin Colfer
Details
Book Length
- ISBN
- 9781423145776
- Publisher
- Hyperion Book CH
- Published
- 2013-07-09
- Type
- Fiction
- Word Count
- 19,794
- Read-Aloud
- ~2h 12m