Learn why and how people celebrate Memorial Day.

Explains what police officers do, including helping people in trouble, stopping people who break the law, and directing traffic.

Photographs and simple text describe the work done by mail carriers.

Provides an easy-to-read explanation of what a dentist does.

A simple introduction to the work of librarians in a library.

Learn about nurses, where they work, and how they help people to stay healthy.

Learn how street cleaners keep our neighborhoods clean.

Provides an easy-to-read explanation of what a doctor does.

"One of the best-known waterfalls on Earth is right here in North America! Niagara Falls is found between the U.S. state of New York and the Canadian province of Ontario on the Niagara River. While it's not the highest waterfall in the world, Niagara Falls is so majestic partly because of the sheer volume of water that falls over its height. In this book, readers learn about the three waterfalls that make up Niagara Falls and how they formed. Amazing...