What reading level is Gems?

Gems by Jenny Fretland VanVoorst is at a Level 6-7 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Gems appropriate for?

Gems is recommended for Ages 9-12. HootRating: 11C (Clear).

Gems is nonfiction — Crystals. Part of the Rocks and Minerals (ABDO); Core Library series.

Does Gems have any content warnings?

Gems has a HootRating of 11C (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 Gems?

Gems by Jenny Fretland VanVoorst is 48 pages (approximately 3,983 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Gems

Jenny Fretland VanVoorst

Gems

Age Rating, Reading Level & Content Guide

by Jenny Fretland VanVoorst

Rocks and Minerals (ABDO); Core Library

Reading Level 6-7 11C Ages 9-12 Sweet Spot Page-Turner

The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.

Buy on Amazon Listen on Audible

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

About This Book

Discover the amazing world beneath your feet by exploring fossils, crystals, and soils. Learn how different rocks are formed, their uses, and the exciting work geologists do to uncover Earth's secrets. Grab your tools and get ready for a fun adventure into the science of rocks and minerals!

Themes

Science & NatureEducationalAdventure

Quick Assessment

This is a Level 6-7 book with gentle content intensity. It's a Sweet Spot read — challenging text with gentle themes, ideal for advanced or 2e readers. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated Gems 11C

Gems is written at a Level 6-7 reading level across 48 pages (approximately 3,983 words). Strong independent readers around grade 7.1 can typically handle this book on their own; with parent or teacher support, Gems works for readers up to grade 8.1.

Read aloud, Gems takes about 27 minutes, which fits within a single read-aloud session.

We rate Gems as 11C ("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, Gems explores science & nature, educational, 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, educational, adventure.
✓ Readers who fall hard for one book and want a long series to live in — there are 4 more books in the Rocks and Minerals (ABDO); Core Library series.
✓ 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.