What reading level is The first computers?

The first computers by Charles A. Jortberg is at a Level 7 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is The first computers appropriate for?

The first computers is recommended for Ages 9-12. HootRating: 12C (Clear).

What genre is The first computers?

The first computers is nonfiction — Computers. Part of the Kids and Computers series.

Does The first computers have any content warnings?

The first computers has a HootRating of 12C (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 The first computers?

The first computers by Charles A. Jortberg is 39 pages (approximately 3,495 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

The first computers

Charles A. Jortberg

The first computers

Age Rating, Reading Level & Content Guide

by Charles A. Jortberg

Kids and Computers

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

The text is written at a 7th 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

Journey through time to discover the amazing inventions that paved the way for today's computers, from ancient counting tools to early machines like punched card devices and the Univac. Explore how these clever devices transformed the way we think and work with information.

Themes

Science & NatureHistoryComputers

Quick Assessment

This is a Level 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 The first computers 12C

The first computers is written at a Level 7 reading level across 39 pages (approximately 3,495 words). Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The first computers works for readers up to grade 9.0.

Read aloud, The first computers takes about 23 minutes, which fits within a single read-aloud session.

We rate The first computers as 12C ("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, The first computers explores science & nature, history, and computers — 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, history, computers.
✓ Readers who fall hard for one book and want a long series to live in — there are 5 more books in the Kids and Computers 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.