Fatal Fever
Tracking Down Typhoid Mary
by Gail Jarrow
National Geographic Books 2021
Great fit for 7th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- public health
- scientific investigation
- ethics and civil liberties
- disease transmission
- immigration and prejudice
- media and sensationalism
- government responsibility
- society versus the individual
About this book
This fast-paced nonfiction investigation follows public health detectives as they trace a 1907 typhoid outbreak to Mary Mallon, the cook later known as Typhoid Mary. Gail Jarrow blends gripping narrative with archival photos and primary sources to show how germs spread and how early epidemiologists worked to stop them. Clear science explanations and historical context help readers connect past outbreaks to issues they hear about today. Ideal for curious middle-grade readers who like true stories, medical mysteries, and history with real-world relevance.
Setting: New York City and surrounding areas, early 1900s (Progressive Era), including public health labs and quarantine facilities
Frequently Asked Questions
Is Fatal Fever right for my child?
Yes — Fatal Fever is a great fit for 7th grade. The reading level is AR 7.3, which is typical for 7th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include public health, scientific investigation, ethics and civil liberties.
How long does it take to read Fatal Fever?
At a typical 7th grade reading pace, Fatal Fever takes around 3.6h to finish. The book has 37,500 words. Slower or faster readers may vary significantly.
Does Fatal Fever have an AR quiz?
Yes — Fatal Fever has an AR quiz available, worth 6 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is Fatal Fever?
Fatal Fever has an AR reading level of 7.3, which places it at a 7th grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.