Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.3
Points
5.0
Fiction/Nonfiction
Nonfiction
Word Count
25960
Points per Word
0.000193
Page Count
144
Points per Page
0.034722
Description
Presents the life stories of Marie Curie, discoverer of radium, polonium, and natural radiation, and her daughter Irene Joliot-Curie, discoverer of artificial radiation.