Cooper, Jason

Discusses the nature, history, and building of skyscrapers.

Examines the work, equipment, and personnel of fire stations.

Examines the history, varieties, and uses of boats and ships.

Briefly describes how zoos collect, care for, exhibit, study, and teach about different kinds of animals.

Provides a simple discussion of the causes of air movement, uses of wind power, and such phenomena as hurricanes and tornadoes.

Provides a simple discussion of the different forms water takes, its importance to life on Earth, and some of its uses.

Provides a simple discussion of natural magnetic force, electromagnets, and magnetic fields.

Provides a simple discussion of sound waves, frequencies, and the uses of radar and sonar.

An introduction to lighthouses, their history, keepers, and use.