"Created to support NGSS, the Be An Engineer! series explains how different structures are designed by engineers to solve problems. Each title ta

A history of the building of the Channel Tunnel, which connects England and France, with emphasis on the difficulties of digging a tunnel where s

Describes the history of tunnels, the techniques used in building them, and their many uses.

Discusses the function and design of tunnels, their impact on the environment, benefits, drawbacks, and future.

"Describes some of the longest and most famous tunnels ever built. Includes information on the tunnel designers, the challenges they faced, and s

"Thousands of years ago, ancient engineers came up with a way to cross obstacles that prevented people getting from one place to another. They bu

"Elementary readers will follow the sequence of the process taken to build an extension of a subway system, from the proposal, planning, tunnel d

Simply describes a variety of tunnels, how they are built and how they are used.

"Creepy catacombs, ancient aqueducts, unbelievable underwater roadways-get ready to explore some of the oldest, longest, deepest, and spookiest t

"Simple text and photographs present the digging of a tunnel, including information on the workers and equipment needed"--Provided by publisher.

"This book for elementary readers highlights the sequence of events from idea to a finished tunnel. Full-color photographs and a timeline support