Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
7.6
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
18593
Points per Word
0.000161
Page Count
120
Points per Page
0.025
Description
Weaving a combination of medical detection and human history, this book tracks the trail of the lethal virus smallpox through time and around the world to explain the significance of Dr. Jenner's gift to humankind, the world's first vaccine.