Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2792
Points per Word
0.000179
Page Count
48
Points per Page
0.010417
Description
Learn about some of the world's most incredible bridges, from how they are designed and built to how bridge technology has changed over time.