An Easy-read modern wonders book

Describes various kinds of dams, how they function, and how they are planned and built. Also discusses some of the problems and failures of dams and the uses of other kinds of water barriers.

Discusses the development of skyscrapers, how they are constructed, and new techniques for building them.

Discusses the nature and history of roads built in ancient and modern times for travel by wheeled vehicles.

An introduction to tunnels including their history, how they are made, various kinds of tunnels and their construction, and their uses.

Describes how canals are built, their uses, and how they might be designed and used in the future. Also discusses such famous canals as the Suez Canal, the Panama Canal, the Erie Canal, and the St. Lawrence Seaway.