What reading level is X-Files?

X-Files by Kim Smith is at a Level 2-3 reading level (Lexile 490L). Recommended for Lower Grades readers (Ages 5-8).

What age is X-Files appropriate for?

X-Files is recommended for Ages 5-8. HootRating: 7C (Clear).

What genre is X-Files?

X-Files is fiction — Juvenile Fiction.

Does X-Files have any content warnings?

X-Files has a HootRating of 7C (Clear). 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 X-Files?

X-Files by Kim Smith is 40 pages.

Reviewed by HootRated editorial · Last updated June 9, 2026

X-Files

Kim Smith

X-Files

Age Rating, Reading Level & Content Guide

A Picture Book

by Kim Smith

Reading Level 2-3 7C Ages 5-8 Balanced Read

The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.

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About This Book

Fox and Dana are the bravest backyard explorers you’ll ever meet! When strange lights flicker and mysterious sounds echo in the night, they’re determined to find a scientific explanation—or maybe something even more surprising. What secrets will their sleepover uncover under the stars?

Themes

Friendship Adventure Science & Nature Humor Fantasy World-Building

Quick Assessment

This charming adaptation of a classic sci-fi series transforms the iconic characters into pint-sized explorers perfect for early readers. The story balances gentle suspense with humor and scientific curiosity, making it a suitable bedtime read for children ages 5 to 8. Parents should note that the book introduces mild spooky elements in a lighthearted way but contains no frightening or intense content.

Why we rated X-Files 7C

X-Files is written at a Level 2-3 reading level with a Lexile measure of 490L across 40 pages. Strong independent readers around grade 3.5 can typically handle this book on their own; with parent or teacher support, X-Files works for readers up to grade 4.5.

We rate X-Files as 7C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.

Thematically, X-Files explores friendship, adventure, science & nature, humor, and fantasy world-building — 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 friendship, adventure, science & nature.