Profiles Orville and Wilbur Wright, beginning with their childhoods in the Midwest, covering their business enterprises, interest in aircraft, and successful flights, and ending with a look at their legacy.

Discusses the life of Thomas Edison, including his early childhood, education, interests, and inventions.

Discusses the early life of Henry Ford, including his moving to the big city and his success as an inventor, engineer, and pioneer of the automobile.

"Discusses Native Americans of the northeastern United States, their customs, family, religion, organization, food gathering, war, housing, and other aspects of daily life"--Provided by publisher.

Explains some examples of electricity in nature, early experiments with electricity, the development of use of electric power, and possibilities for the future.

Describes the different species of leeches, their physical characteristics, behavior, life cycle, and benefits.