Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
185
Points per Word
0.002703
Page Count
24
Points per Page
0.020833
Description
From mining tunnels to the Channel Tunnel, this book explores how tunnels are built, how they are used, and the engineer's job to build and plan for them.