What reading level is The Last Colony?

The Last Colony by John Scalzi is at a Level 7 reading level. Recommended for Upper Grades readers (Ages 13+).

What age is The Last Colony appropriate for?

The Last Colony is recommended for Ages 13+. HootRating: 12MT (Moderate — Thematic).

What genre is The Last Colony?

The Last Colony is fiction — Fiction. Part of the Old Man's War series.

Does The Last Colony have any content warnings?

The Last Colony has a HootRating of 12MT (Moderate — Thematic). 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 The Last Colony?

The Last Colony by John Scalzi is 320 pages.

Reviewed by HootRated editorial · Last updated June 9, 2026

The Last Colony

John Scalzi

The Last Colony

Age Rating, Reading Level & Content Guide

by John Scalzi

Old Man's War · Book 3

Reading Level 7 12MT Ages 13+ Balanced Read

The text is written at a 7th grade reading level, the subject matter is intended for teens (ages 13+), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

The sharp scent of alien pine fills the air as John Perry tends the soil on a faraway planet. Peace surrounds him—until whispers from his past stir the quiet, pulling him and his wife back into a storm of space secrets and battles. Will their new home survive the shadows closing in?

Themes

Science & Nature Adventure FamilyPolitical IntrigueScience Fiction

Quick Assessment

This young adult science fiction novel follows John Perry, a retired soldier turned village leader on a distant colony planet, who is drawn back into interstellar conflict alongside his wife. Suitable for teens, it explores themes of political intrigue, family, and adventure with moderate intensity. Parents should note some depictions of war and complex social dynamics.

Why we rated The Last Colony 12MT

The Last Colony is written at a Level 7 reading level across 320 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The Last Colony works for readers up to grade 9.0.

We rate The Last Colony as 12MT ("Moderate — Thematic") 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, social complexity, thematic difficulty — 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, The Last Colony explores science & nature, adventure, family, political intrigue, and science fiction — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 13+ 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 science & nature, adventure, family.
✓ Readers who fall hard for one book and want a long series to live in — there are 5 more books in the Old Man's War series.