Tunnels

by Kevin Reilly

Today's tunnels, which extend through mountains and underneath oceans and rivers, are marvels of engineering. Readers take a close-up look at these structures and how they are built and maintained. Each chapter will focus on a key area, including the earliest tunnels, the technological advances that have improved their design and construction over time, profiles of tunnel-related careers, and examples of the most impressive tunnels in the world. This...

• Format: Library Binding
• Language: English
• ISBN: 1978503385
• ISBN13: 9781978503380
• Release Date: July 2019
• Publisher: Enslow Publishing
• Length: 48 Pages
• Weight: 0.75 lbs.
• Dimensions: 0.3" x 7.5" x 9.3"
• Age Range: 8 to 11 years
• Grade Range: Grades 3 to 6