Hal Rogers

Simple text describes the parts of a tractor, how they work, and what they do.

How do cherry pickers work? Where are the controls? Why don't they fall over? Learn all about these cool machines in this fascinating book.

Describes the parts of a snowplow, how it works, and the work it does to clear the roads of ice and snow.

Describes the parts of plows, how they work, and what they do.

Describes the parts of a tow truck, how to operate them, and the work they do.

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

A brief introduction to rescue helicopters, what they do, and how they work.

A simple description of fire engines, what they do, and how they work.