Hill, Lee Sullivan

Provides an account of the invention of the airplane by Orville and Wilbur Wright in the early twentieth century.

Explains what a park is, how and why parks are built or preserved, and why parks are important to us, using examples of different kinds of parks from around the country.

Introduces various kinds of schools, their size and location, whether attended by children or adults, and the kinds of learning provided in each.

Surveys all kinds of libraries, from a monastery library full of handmade books to a school media center to a bookmobile.

Introduces the parts and functions of different kinds of motorcycles.

An introduction to the variety and beauty of towers, including the purposes they serve.

Text and photographs describe trains, how they work, and what they carry.

Text and photographs describe earthmoving machines and how they are used.

Introduces the parts and functions of different kinds of earthmoving machinery.

Photographs and text provide information about trains, looking at the different types of train cars and their uses, and introducing the people who run and ride trains.