A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

    Lilly Ann read everything she could get her hands on, and through newspapers, she learned of places in the North where slavery had been abolished. She longed to have that freedom too.As Lilly Ann's reading and writing skills improved, she shared her knowledge with others by starting a school. After toiling for their masters all day, Lilly Ann's students would slip nervously into the night to attend her "midnight" school. Every noise reminded them of the painful punishment they faced if they were found out. But the students were willing to risk any danger for the chance at an education. Over the years, hundreds of enslaved men and women learned to read and write under their teacher's patient guidance.

    . . and forty-one when he came back! More than seven hundred years ago, Marco Polo traveled from the medieval city of Venice to the fabled kingdom of the great Kublai Khan, seeing new sights and riches that no Westerner had ever before witnessed. But did Marco Polo experience the things he wrote about . . . or was it all made-up? Young readers are presented with the facts in this entertaining, highly readable Who Was . . . ? biography with black-and-white artwork by John O?Brien.

    Designed to resemble popular networking Web sites, the pages of this book feature "homepages" for each of the chemical elements -- complete with witty and informative profiles written by the elements themselves, plus a personally chosen picture.

    Jefferson thought that many English laws and taxes were unfair, so he studied hard to become a lawyer and help make better laws. Soon he and others came to believe that the colonies should become a new country, and Jefferson was chosen to write the Declaration of Independence. As the third president of the United States, he focused on exploring the country and making it grow. His fairness and love of learning made him one of the most beloved presidents of all time.

    Each spread, sumptuously illustrated by award-winning artist Kadir Nelson, depicts a stirring tableau, from the view of the Statue of Library at Ellis Island to civil rights marchers shoulder to shoulder, to a spacecraft at Cape Canaveral blasting off. This book is an ode to America then and now, from sea to shining sea.

    He has been called the father of our country for leading America through its early years. Washington also served in two major wars during his lifetime: the French and Indian War and the American Revolution. With over 100 black-and-white illustrations, Washington's fascinating story comes to life - revealing the real man, not just the face on the dollar bill!

    Instead, she spent her life fording icy streams and climbing untracked mountains to bring medical help to those in need. More nurses on horseback joined Mary . . . and the Frontier Nursing Service was born. Mary's story is amazing. And it is true."Wells's realistic yet poetic prose perfectly captures the dichotomy of the majestic beauty of Appalachia and the harsh realities of mountain life. . . . This one's a gem."--School Library Journal

    Each story in this book by John Haaren is told in a clear, simple manner, and is well calculated to awaken and stimulate the youthful imagination. Notable characters featured in Famous Men of the Middle Ages include Attila the Hun, Charlemagne, William the Conqueror, Frederick Barbarossa, Marco Polo, and William Tell. Somewhat surprisingly, Famous Men of the Middle Ages also includes a chapter about one woman: Joan of Arc.

    "That's why it's a good work to keep a road in repair, like giving alms to the poor or tending the sick. It's open to the sun and wind and rain. It brings all kinds of people and all parts of England together. And it's home to a minstrel, even though he may happen to be sleeping in a castle."And Adam, though only eleven, was to remember his father's words when his beloved dog, Nick, was stolen and Roger had disappeared and he found himself traveling alone along these same great roads, searching the fairs and market towns for his father and his dog.Here is a story of thirteenth-century England, so absorbing and lively that for all its authenticity it scarcely seems "historical." Although crammed with odd facts and lore about the time when "longen folke to goon on pilgrimages," its scraps of song and hymn and jongleur's tale of the period seem as newminted and fresh as the day they were devised, and Adam is a real boy inside his gay striped surcoat.

    Cleverly written in the familiar format of "The House That Jack Built," author Suzanne Slade supplements her rhyming verse with lively conversational prose, describing how George was involved in this project from beginning to end, from selecting the location to figuring out how to get the thousands of heavy bricks to the construction site. Rebecca Bond’s watercolor illustrations help readers follow the steps to what became the White House as we know it today.

    This story, about how a young black soldier rescues a white soldier, opens young readers' eyes to the injustices of slavery and the senselessness of war. Highly charged emotionally, this masterful retelling of a true story is seen through the white soldier's eyes.

    The electric light bulb was only one of thousands of Edison’s inventions, which include the phonograph and the kinetoscope, an early precursor to the movie camera.As a boy, observing a robin catch a worm and then take flight, he fed a playmate a mixture of worms and water to see if she could fly! Here’s an accessible, appealing biography with 100 black-and-white illustrations.

    Dozens of children in Nome become sick with diphtheria. Without antitoxin serum, they will perish - and the closest supply is 650 miles away! The only way to get the serum to Nome is by sled, but can the dogs deliver it in time? Heading bravely into a brutal blizzard, Balto leads the race for life.Illus. in full color.

    But as his hands become blistered and the sun beats down, he wonders if he's up to the task. An American Bookseller Pick of the Lists with more than 23,000 hardcover copies sold. Full color.