HootRated mascot HootRated

Reviewed by HootRated editorial · Last updated

Six

M. M. Vaughan

Cover of Six

Six

Age Rating, Reading Level & Content Guide

by M. M. Vaughan

Reading Level 3-4 LE · Mild · Emotional Ages 9-12 Matched

The text is written at a 3rd grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material. Its HootRating code, LE, means mild content, mostly emotional.

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

What would you do if your dad vanished right before a big discovery? Twelve-year-old Parker faces this mystery, diving into a world of teleportation and secrets. But as he digs deeper, he uncovers a danger that could change everything—can he stop it in time?

Quick Assessment

Parker's father disappears just as his new job at a secretive company reaches a major breakthrough, and Parker and his sister Emma set out to find him, following a telepathic message and a trail that points to a project called SIX. The story has sci-fi action, peril, and a kidnapping at its center, with some tense confrontations, but it stays focused on family loyalty and courage. It suits confident readers who enjoy mysteries with a cosmic, X-Files-style edge.

Why we rated Six LE (Mild)

Six is written at a Level 3-4 reading level across 361 pages. Reading-wise, most kids in grade 5 and up can manage Six on their own; younger readers can enjoy it with a parent or teacher reading along.

We rate Six as LE (Mild, mostly 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, Six explores science & nature, adventure, mystery, and family — 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 science & nature, adventure, mystery.

Maybe not for

  • ! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

LE · Mild · Emotional
Emotional
Mild ←
Physical
Mild
Social
Gentle
Thematic
Mild

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

Light conflict or tension. Mild peril resolved quickly.

Data confidence: high

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
3
Emotional Weight
4
Theme Richness
4
World Scope
1
Data Confidence
7

If your child liked this book, they might like these

Matched on content and themes — all rated for reading level and content intensity.

Details

Book Length

361 pages
ISBN
9781481420693
Pages
361
Publisher
Simon and Schuster
Published
2015
Type
Fiction

Genres

Subjects

Science FictionKidnappingTeleportationScience & TechnologyAction & Adventure