[Early reader science]. Transportation

Briefly describes several types of motorcycles, including touring bikes, mopeds, and trail bikes.

In brief text, describes the many ways that farmers use tractors in the growing of crops.

Describes various kinds of train cars including the boxcar, livestock car, and flatcar.

Describes various kinds of trucks, including garbage trucks, tow trucks, and tankers.

Introduces bulldozers by describing their parts, the function of each part, the work bulldozers do, and how they work with other machines.

Describes a school bus and its different parts, including the lights, stop arm, back door, and mirrors.

Briefly describes different types of cars, including sedans, station wagons, convertibles, race cars, and the Volkswagen "beetle.".