Describes the parts of a large earthmover, how they operate, and the work they do.

In just a few days, these machines can do a job it would take 100 people weeks - even months - to finish.

A photo essay about the history, development, and impact of automobiles from horseless carriages and Model T Fords to today's high-performance racing cars; featuring detailed cutaway photos showing how the moving parts of a car work.

Simple text and illustrations explain what diggers, also known as excavators, do and how they work.

Explores the strangest vehicles in the world, from hovercrafts and amphibious trucks to monowheels and blimps.

Presents a close look at machines that come to our rescue including fire engines, lifeboats, and helicopters.

Explains what diggers are, what they are used for, and names the individual parts of one.