What reading level is Jonas Salk?

Jonas Salk by Salvatore Tocci is at a Level 4-5 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Jonas Salk appropriate for?

Jonas Salk is recommended for Ages 9-12. HootRating: 9C (Clear).

What genre is Jonas Salk?

Jonas Salk is nonfiction — Juvenile Nonfiction.

Does Jonas Salk have any content warnings?

Jonas Salk has a HootRating of 9C (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 Jonas Salk?

Jonas Salk by Salvatore Tocci is 128 pages.

Jonas Salk

Salvatore Tocci

Jonas Salk

Age Rating, Reading Level & Content Guide

Creator of the Polio Vaccine

by Salvatore Tocci

Reading Level 4-5 9C Ages 9-12 Balanced Read

The text is written at a 4th 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

Have you ever wondered how a single person could change the world with a tiny needle? Imagine a young doctor determined to stop terrifying diseases like polio and influenza from hurting children everywhere. But what challenges will he face on his journey to create life-saving vaccines?

Themes

BiographyScience & Nature Historical Coming of Age

Quick Assessment

This middle-grade biography introduces readers to Jonas Salk, the pioneering American doctor who developed vaccines for polio and influenza. Suitable for ages 9-12, it presents scientific achievements in an accessible way while inspiring curiosity about medical research. The book includes no intense content, making it appropriate for young readers interested in science and history.