Rogers, Hal

Describes the parts of a bus, how it works and what it does.

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.

Describes the parts, workings, and purposes of cherry pickers, explaining why they are important machines.

Text and color photos describe several kinds of cars and identify a car's various parts, such as the windshield, steering wheel, and pedals.

Photographs and text provide young readers with information about trains, how they look, the jobs they do, and how they operate.

Discusses the increasing importance of quarterbacks in professional football and describes the accomplishments of some of the game's best, including Sid Luckman, Terry Bradshaw, and Joe Montana.

Describes the machines that are used to milk cows and goats on modern farms.

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