Ray Broekel

Describes briefly all aspects of baseball including the object of the game, the field, the equipment, positions, plays, teams, leagues, famous players, and games.

Briefly discusses different types of maps and globes and explains such map-related terms as symbol, key, direction, and scale.

Describes the personal qualities, training, and tools necessary to be a writer.

An elementary introduction to trains, what they do, train workers, and kinds of railroad cars.

An introduction to the activities of our helpful police.

Presents experiments which demonstrate the properties of water.

Explains what an auto mechanic does, discusses important qualities such as manual dexterity and an ability to work with computers and math, and examines the special education and training required for such a career.

Describes the weather conditions that produce storms and the damage that can be done by rain, snow, wind, dust, ice, thunder, lightning, and hail.

Explains what jet propulsion is, Newton's third law of motion, the history of jet aviation, and jet plane designs.

A discussion of the nature and properties of light, with experiments.