The documentary tells the story of J. Robert Oppenheimer (1904-1967), the theoretical physicist who led the effort to build the first atomic bomb, tested in July 1945 at the Trinity site in New Mexico. When theoretical physicist J. Robert Oppenheimer became director of the Manhattan Project, he brought with him a love of poetry, philosophy, and Eastern religion. In the years following Trinity, the classified maiden test of a prototype atomic bomb,...

Vibrant illustrations accompany information about the history of Baghdad. The narrative nonfiction text is intended for students in kindergarten through third grade.

Did you know that Oceania is Earth's smallest continent? It's made up of Australia, New Zealand, and thousands of other islands in the Pacific Ocean. Because of its remote location, many of the animals that live here don't exist anywhere else in the world! Have you heard that the continent is home to the world's largest coral reef? Just off the coast of Australia, the Great Barrier Reef is so huge it's visible from space. Discover extreme facts about...

Would you be surprised to know that Europe stretches all the way from the Arctic Circle down to the Mediterranean Sea? Daily life for people along the Mediterranean often includes a midday rest to beat the heat. Or that the country of Russia is part of both Europe and Asia? The Ural Mountains line the border between the continents. And did you know the bones of millions of people are in an elaborate cemetery under the streets of Paris, France? Discover...

Would you be surprised to know North America's Death Valley is the hottest spot in the world? Or that the Appalachian Mountains are nearly 500 million years old? This makes them some of the oldest mountains on Earth. Discover extreme facts about North America in this fun and kooky book.

With new forewords and an afterword by Martin Luther King III, Dr. Bernice A. King, and Dexter Scott King

Celebrating the 60th anniversary of Dr. Martin Luther King Jr's legendary speech at the March on Washington, part of Dr. King's archives published exclusively by HarperCollins

On August 28, 1963, Dr. Martin Luther King Jr. stood before thousands of Americans who had gathered at the Lincoln Memorial

...