Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5955
Points per Word
0.000168
Page Count
56
Points per Page
0.017857
Description
This book discusses the history of flu epidemics and looks at the challenges scientists face in trying to develop a universal flu vaccine.