Stephen, R. J

Discusses the role of tanks and other tracked, armored vehicles in warfare.

An introduction to the various types of warplanes used by today's air forces.

Describes different types of airliners and airport activities.

Describes how underwater machines explore the seabed and conduct experiments, check cables and pipelines, and perform rescue missions.

Introduces, in brief text and illustrations, the characteristics and functions of various types of machines used for excavation and moving material such as soil, rock, or dirt.

Describes the structure and the functions of the various kinds of ships used in warfare.

Surveys the design, use, and operation of different types of helicopters.

Discusses "floating airfields" and their role in maritime air power; how carriers are used in different navies; and the cost and the pros and cons of these enormous ships.

Describes BMX bikes, races, equipment, and riding skills and tricks.

Describes the different types of helicopters used in warfare and their use over land and at sea.