What reading level is Six?

Six by M. M. Vaughan is at a Level 3-4 reading level (Lexile 690L). Recommended for Lower Grades readers (Ages 5-8).

What age is Six appropriate for?

Six is recommended for Ages 5-8. HootRating: 8LE (Light — Emotional).

Six is fiction — Juvenile Fiction.

Does Six have any content warnings?

Six has a HootRating of 8LE (Light — Emotional). 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 Six?

Six by M. M. Vaughan is 361 pages.

Reviewed by HootRated editorial · Last updated June 9, 2026

Six

M. M. Vaughan

Six

Age Rating, Reading Level & Content Guide

by M. M. Vaughan

Reading Level 3-4 8LE Ages 5-8 Matched

The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is mild with minimal sensitive material.

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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?

Themes

Science & Nature Adventure Mystery Family

Quick Assessment

This early chapter book follows a twelve-year-old boy named Parker whose father is kidnapped just as he's about to complete an important scientific breakthrough. The story introduces themes of science fiction and adventure suitable for readers aged 5-8, with a focus on mystery and problem-solving. While the kidnapping theme adds tension, it is handled in an age-appropriate way without graphic content.

Why we rated Six 8LE

Six is written at a Level 3-4 reading level with a Lexile measure of 690L across 361 pages. Strong independent readers around grade 4.5 can typically handle this book on their own; with parent or teacher support, Six works for readers up to grade 5.5.

We rate Six as 8LE ("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, 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 5-8 range — the maturity and attention span match the story's pacing.
✓ Kids drawn to stories about science & nature, adventure, mystery.