Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7815
Points per Word
0.000128
Series
20th Century Inventions
Description
This book presents an overview of many of the medical methods and treatments used to prevent diseases, relieve pain, and treat illnesses, particularly those developed in the twentieth century.