Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4449
Points per Word
0.000225
Page Count
48
Points per Page
0.020833
Series
Inventors and Creators
Description
This book profiles the man who made his mark as developer of a polio vaccine, struggled to deal with the resultant fame, and emerged as a philosopher/scientist, writing and speaking about our responsibility for the future.