Julia McDonnell

The U.S. Constitution is an essential part of governing the country. Its articles outline rules, laws, and procedures for our government. With this essential book, readers will learn about the intricacies of Article I and the inner workings of Congress. Through easy-to-understand language, vivid photographs, and interesting facts, readers discover how each part of Congress is elected, their responsibilities and limits, and their obligation to ensure...

Sitting Bull, the well-known Native American chief, united the Lakota Sioux in the northern Great Plains and led a mighty resistance of tribes who refused to be placed on reservations. This struggle resulted in violence, most famously at Little Bighorn in 1876. Though Sitting Bull fled to Canada, he ultimately returned to the United States in 1881. This book uses Sitting Bull's powerful words to examine the leader's considerable courage and determination...

Harriet Tubman's fame as a conductor on the Underground Railroad led to her nickname: Moses. She displayed considerable courage leading fugitive slaves to freedom and, incredibly, never lost a passenger. Less well known is Tubman's service in the Union army as a scout and spy during the Civil War. This captivating volume uses Tubman's own remembrances as well as other primary sources to provide a greater understanding of her astonishing life story...

What makes a metal precious? It's rare, and it's useful. When a metal is both these things, like gold, it's very precious-and expensive. This book takes readers underground where they'll discover the processes and elements that shape precious metals. They'll learn about the features of metals that make them desirable, such as luster, ductility, and reactivity, and how certain metals are utilized. While readers may know something about gold and silver,...

Discusses the branch of the military that takes care of the maritime needs of the country.

American presidents' administrations are thoroughly studied, analyzed, and chronicled. But what about these politicians' lives before being elected to the country's highest office? Barack Obama's unique story and life experiences, both the triumphant and the challenging, will give young readers insight into his road to the White House. They'll follow him from his earliest days in Hawaii to his historic 2008 election, learning interesting tidbits along...