Presents an account of the two-and-a-half-year expedition that yielded vast knowledge of the West, geographically and scientifically.

"No one knows where the term Underground Railroad came from--there were no trains or tracks, only "conductors" who helped escaping slaves to freedom. Including real stories about "passengers" on the "Railroad," this book chronicles slaves' close calls with bounty hunters, exhausting struggles on the road, and what they sacrificed for freedom. With black-and-white illustrations throughout and a sixteen-page black-and-white photo insert, the Underground...

"Did the Great Chicago Fire really start after a cow kicked over a lantern in a barn? Find out the truth in this addition to the What Was? series. On Sunday, October 8, 1871, a fire started on the south side of Chicago. A long drought made the neighborhood go up in flames. And practically everything that could go wrong did. Firemen first went to the wrong location. Fierce winds helped the blaze jump the Chicago River twice. The Chicago Waterworks...

Presents an overview of climate change, discussing if humans are at fault for the rapidly warming Earth, and describes why climate change has recently become a political issue.

"A thoughtful and age-appropriate introduction to an unimaginable event--the Holocaust. The Holocaust was a genocide on a scale never before seen, with as many as twelve million people killed in Nazi death camps--six million of them Jews. Gail Herman traces the rise of Hitler and the Nazis, whose rabid anti-Semitism led first to humiliating anti-Jewish laws, then to ghettos all over Eastern Europe, and ultimately to the Final Solution. She presents...

"Learn how the United States ended up fighting for twenty years in a remote country on the other side of the world. The Vietnam War was as much a part of the tumultuous Sixties as Flower Power and the Civil Rights Movement. Five US presidents were convinced that American troops could end a war in the small, divided country of Vietnam and stop Communism from spreading in Southeast Asia. But they were wrong, and the result was the death of 58,000 American...

"Explaining clearly and concisely what exactly Congress does, this book is peppered with fascinating stories, including the bloody beating in the Senate of a lawmaker in pre-Civil War days, the Watergate hearings, and Senator Joe McCarthy's shameful "witch hunt" of Communists. Kids may start considering a career in Congress themselves when they learn fun facts, such as the special "candy desk" in the Senate, and the fact that all lawmakers can bring...

While the coronavirus COVID-19 changed the world in 2020, it still isn't the largest and deadliest pandemic in history. That title is held by the Plague.

"On June 19, 1865, a group of enslaved men, women, and children in Texas gathered around a Union soldier and listened as he read the most remarkable words they would ever hear. They were no longer enslaved: they were free. The inhumane practice of forced labor with no pay was now illegal in all of the United States. This news was cause for celebration, so the group of people jumped in excitement, danced, and wept tears of joy. They did not know it...