Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7385
Points per Word
0.000135
Page Count
48
Points per Page
0.020833
Series
Crafty Inventions
Description
This book explores the problems and ideas that have resulted in inventions throughout history.