Readers will travel back in time to ancient Babylonia, Egypt, and Greece. They will meet the world's first astronomers, mathematicians, and physicists and explore the lives and ideas of such famous people as Pythagoras, Archimedes, Brahmagupta, al-Khwarizmi, Fibonacci, Ptolemy, St. Augustine, and St. Thomas Aquinas. Hakim will introduce them to Aristotle—one of the greatest philosophers of all time—whose scientific ideas dominated much of the world for eighteen centuries.In the thr...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. Thousands of years--way before Christopher Columbus set sail--wandering tribes of hunters made their way from Asia across the Bering land bridge to North America. They didn't know it, but they had discovered a New World. The First Americans is a fascinating re-creation of pre-Columbian Native American life, and it's an adventure of a lifetime! Hunt sea...

In volume three, students will look over Albert Einstein's shoulder as he and his colleagues develop a new kind of physics. It leads in two directions: to knowledge of the vast universe and its future (insights build on Einstein's theories of relativity), and to an understanding of the astonishingly small subatomic world (the realm of quantum physics). Students will learn why relativity and quantum theory revolutionized our world and led to the most important ideas in modern science, maybe...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. Covering a time of great hope and incredible change, Reconstruction and Reform is a dramatic look at life after the Civil War in the newly re United States. Railroad tycoons were roaring across the country. New cities sprang up across the plains, and a new and different American West came into being: a land of farmers, ranchers, miners, and city dweller...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. All kinds of people are coming to America. If you're European, you come in search of freedom or riches. If you're African, you come in chains. And what about the Indians, what is happening to them? Soon with the influx of so many people, thirteen unique colonies are born, each with its own story. Meet Pocahontas and John Smith in Jamestown. Join William...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. How did compliant colonials with strong ties to Europe get the notion to become an independent nation? Perhaps the seeds of liberty were planted in the 1735 historic courtroom battle for the freedom of the press. Or maybe the French and Indian War did it, when colonists were called "Americans" for the first time by the English, and the great English ar...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. Covering a time of great hope and incredible change, Reconstruction and Reform is a dramatic look at life after the Civil War in the newly re United States. Railroad tycoons were roaring across the country. New cities sprang up across the plains, and a new and different American West came into being: a land of farmers, ranchers, miners, and city dweller...

In volume two, students will watch as Copernicus's systematic observations place the sun at the center of our universe—to the dismay of establishment thinkers. After students follow the achievements and frustrations of Galileo, Kepler, and Descartes, they will appreciate the amazing Isaac Newton, whose discoveries about gravity, motion, colors, calculus, and Earth's place in the universe set the stage for modern physics, astronomy, mathematics, and chemistry.In the three-book T...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. Beginning with George Washington's inauguration and continuing into the nineteenth century, The New Nation tells the story of the remarkable challenges that the freshly formed United States faced. Thomas Jefferson's purchase of the Louisiana Territories (bought from France at a mere four cents an acre!), Lewis and Clark's daring expedition through this ...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. For the captains of industry men like Andrew Carnegie, John D. Rockefeller, J. P. Morgan, and Henry Ford the Gilded Age is a time of big money. Technology boomed with the invention of trains, telephones, electric lights, harvesters, vacuum cleaners, and more. But for millions of immigrant workers, it is a time of big struggles, with adults and children ...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. All kinds of people are coming to America. If you're European, you come in search of freedom or riches. If you're African, you come in chains. And what about the Indians, what is happening to them? Soon with the influx of so many people, thirteen unique colonies are born, each with its own story. Meet Pocahontas and John Smith in Jamestown. Join William...

Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. Riveting, moving, and impossible to put down, War, Terrible War takes us into the heart of the Civil War, from the battle of Manassas to the battle of Gettysburg and on to the South's surrender at Appomattox Court House. Follow the common soldiers in blue and gray as they endure long marches, freezing winter camps, and the bloodiest battles ever fought ...