Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4044
Points per Word
0.000247
Page Count
32
Points per Page
0.03125
Series
Science of Engineering
Description
This guide to bridges and tunnels explores unique examples of each, what they're made of, and all the unexpected twists and turns taken in their development.