What reading level is Secrets of Uranus?

Secrets of Uranus by Thomas K. Adamson is at a Level 5 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Secrets of Uranus appropriate for?

Secrets of Uranus is recommended for Ages 9-12. HootRating: 10C (Clear).

What genre is Secrets of Uranus?

Secrets of Uranus is nonfiction — Juvenile Nonfiction. Part of the Planets (Capstone Press); Smithsonian (Capstone) series.

Does Secrets of Uranus have any content warnings?

Secrets of Uranus has a HootRating of 10C (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 Secrets of Uranus?

Secrets of Uranus by Thomas K. Adamson is 32 pages (approximately 2,372 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Secrets of Uranus

Thomas K. Adamson

Secrets of Uranus

Age Rating, Reading Level & Content Guide

by Thomas K. Adamson

Planets (Capstone Press); Smithsonian (Capstone)

Reading Level 5 10C Ages 9-12 Balanced Read Page-Turner

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.

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About This Book

Explore the fascinating world of Uranus, from ancient stargazers' tales to the latest discoveries made by modern scientists. Journey through the mysteries of this icy planet and learn about exciting missions planned to uncover its secrets. Perfect for curious young minds eager to understand the wonders of our solar system.

Themes

Science & NaturePlanetsAdventure

Quick Assessment

This is a Level 5 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated Secrets of Uranus 10C

Secrets of Uranus is written at a Level 5 reading level across 32 pages (approximately 2,372 words). Strong independent readers around grade 6.0 can typically handle this book on their own; with parent or teacher support, Secrets of Uranus works for readers up to grade 7.0.

Read aloud, Secrets of Uranus takes about 16 minutes, which fits within a single read-aloud session.

We rate Secrets of Uranus as 10C ("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, Secrets of Uranus explores science & nature, planets, and adventure — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about science & nature, planets, adventure.
✓ Curious kids who prefer real-world topics over made-up stories.

Maybe not for

! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.