Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
9.4
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
9640
Points per Word
0.000207
Page Count
48
Points per Page
0.041667
Description
This book presents a biography of Jonas Salk, the scientist and humanitarian who discovered the vaccine for polio, a disease which crippled many people in the early part of the twentieth century.