Machines at work

Describes the appearance, parts, and purposes of several kinds of buses, explaining why buses are important.

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

"This photo-illustrated book for early readers describes the parts of a dump truck, different types of dump trucks, and the jobs they do. Includes photo glossary and matching game"--Provided by publisher.

Introduces assorted airplanes and other flying machines, including gliders, helicopters, and space shuttles.

"This photo-illustrated book for early readers tells about the parts of a bulldozer and how people use bulldozers in construction"--Provided by publisher.

This photo-illustrated book for early readers describes the parts of a tractor and the tools it pulls for different jobs on the farm. Includes photo glossary and matching game.

"This photo-illustrated book for early readers describes the many types of train cars pulled by a freight train and what they are built to carry. Includes photo glossary and matching game"--Provided by publisher.

Numerous photographs depict various types of cranes from those used in constructing skyscrapers to ones to unload ships.

Introduces assorted airplanes and other flying machines, including gliders, helicopters, and space shuttles.

Describes the parts of a motorcycle, how motorcycles are driven, and how they are used for work and recreation.