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In 1863, President Abraham Lincoln delivered a solemn address on the site of one of the bloodiest battles of the Civil War. The statement, written to consecrate a cemetery for fallen soldiers, became one of the most memorable, quoted, and admired...

The bubonic plague has been responsible for some of the deadliest pandemics in history. One of them, known as the Black Death, killed millions of people in the 1300s CE. The Bubonic Plague explores the history and science behind this disease, as well as...

The many dangers of war, poverty, and hope have driven tens of millions of refugees and immigrants to flee their homes in search of a better life. Today the world is witnessing the highest numbers of displaced persons on record, even as resources and...

The many dangers of war, poverty, and hope have driven tens of millions of refugees and immigrants to flee their homes in search of a better life. Today the world is witnessing the highest numbers of displaced persons on record, even as resources and...

The Northwest Passage has captured the imagination of nations and explorers for hundreds of years. And today, as global warming reshapes geography, trade along the passage is becoming a reality for the first time. This book provides a sweeping history of...

With the Declaration of Independence, the 13 colonies in America declared their independence from Great Britain. Virginian Thomas Jefferson, later the third president of the United States, was chosen to write it. But did he write every word? Did anyone...

Some of the most important roles in American life have been filled by people born outside the United States. Immigrants have served in the military since the Civil War. Some immigrants have made fortunes and given them away--to create libraries, fund...

Some of the most important American products and ideas have been developed by people born outside the United States. They have influenced every part of U.S. culture, from what people wear and drive to how they stay healthy, how they communicate with each...

Some of the most important changes in American culture have been driven by people born outside the United States. Immigrants may come as refugees, as workers, or as students. They may come as children or as adults. Once here, many speak out for the...

Imagine opening a chamber to discover an antique violin, a yellowed boarding pass, and a tattered coat. Together these artifacts can be used to tell of the splendor of the luxury ship Titanic and its tragic sinking in 1912. Featuring primary sources,...

What would you find in a time capsule of the Jamestown Colony? Perhaps a portrait of John Smith, glass beads, or skeletal remains. Readers examine artifacts like these as they explore the history of the first permanent English settlement in North America...

If the founding fathers and mothers of the United States had built a time capsule to tell the story of the nation's beginnings, what artifacts would be packed inside? Tea leaves, a lantern, yellowed documents, and more tell a part of the story of the...

See some of the world's most messed-up medical mishaps at a microscopic level. Find out how each procedure, tool, or surgery failed, the basic science that was missed, and what doctors learned from their mistakes.

Presidential politics has always been a minefield of competition, excitement, and even scandal. Read about the evolution of presidential politics from the election of George Washington, the nation's first president, to the election of Barack Obama, the...

The Pledge of Allegiance was first written more than two hundred years ago to celebrate Columbus Day. Since then, it has grown into a treasured American symbol. Using primary sources, young readers hear the story behind the Pledge of Allegiance from the...

The U.S. constitution was signed over two hundred years ago, and it still protects American citizens today. Using primary sources, young readers hear the story behind this American symbol from the people who were there. Engaging text, colorful photos,...

The Liberty Bell has been a symbol of basic American rights since before the Revolutionary War. It has remained a treasured symbol, prominently used during the height of the civil rights movement and as a key American symbol of liberty. Using primary...

The U.S. flag has stood as a symbol of freedom since America was founded. Using primary sources, young readers hear the story behind this treasured symbol from the people who were there. Engaging text, colorful photos, sidebars, and a variety of primary...

Who are the leaders of our government? What do they do? How do they become government leaders? Accessible text and explanatory photos help students understand key concepts about the role of different government leaders.

In September 1783, the United States signed a peace treaty with Great Britain. This event officially ended the Revolutionary War. More importantly, it proclaimed the United States an independent republic. That republic faced many challenges in its early...