Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5600
Points per Word
0.000179
Page Count
48
Points per Page
0.020833
Description
This book teaches readers about the ways that were used to travel in the past and the science that led us. The coauthor is Felicia Law.