Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
3098
Points per Word
0.000161
Page Count
48
Points per Page
0.010417
Description
This book highlights inventions and inventors throughout history and discusses why people invent and the steps in the inventive process.