Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3277
Points per Word
0.000305
Page Count
32
Points per Page
0.03125
Series
Inventions In...
Description
This book describes the history of inventions that have changed transportation, from the wheel and the bicycle to cars, maglev trains, navigation systems, and spacecraft.