Building Tunnels
by Stefoff, Rebecca
Series:Great Engineering
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
4.7
AR Points
0.5
Word Count
2,242
Interest Level
Lower Grades (LG K-3)
Genre
Nonfiction
AR Quiz #
177840 EN
About this book
Tunnels allow people to cut through tall mountains or even travel deep underwater. Discover the engineering behind tunnels.
