He was such a daydreamer that people called him a blockhead.When Leonardo grew up and traveled the world, he was inspired by the numbers used in different countries. Then he realized that many things in nature, from the number of petals on a flower to the spiral of a nautilus shell, seem to follow a certain pattern. The boy who was once teased for being a blockhead had discovered what came to be known as the Fibonacci Sequence!

    Built in MMVIII. Roman numerals are everywhere---on clocks, in books, and on buildings. But what do Roman numerals mean, and how does one use them? Fun with Roman Numerals is a straightforward and appealing introduction to a timely topic. On a scale of I to X, it's an XI!

    Living way high up in the Appalachian Mountains, he'd rather help Pap plow or go out after wandering sheep than try some book learning. Nope. Cal does not want to sit stoney-still reading some chicken scratch. But that Book Woman keeps coming just the same. She comes in the rain. She comes in the snow. She comes right up the side of the mountain, and Cal knows that's not easy riding. And all just to lend his sister some books. Why, that woman must be plain foolish; or is she braver than he ever thought? That Book Woman is a rare and moving tale that honors a special part of American history; the Pack Horse Librarians, who helped untold numbers of children see the stories amid the chicken scratch, and thus made them into lifetime readers.

    And then the dizzy spells start. Soon gravely ill with leukemia, the "atom bomb disease," Sadako faces her future with spirit and bravery. Recalling a Japanese legend, Sadako sets to work folding paper cranes. For the legend holds that if a sick person folds one thousand cranes, the gods will grant her wish and make her healthy again. Based on a true story, Sadako and the Thousand Paper Cranes celebrates the extraordinary courage that made one young woman a heroine in Japan.

    Pauletta Bracy. Enter the hilarious world of ten-year-old Kenny and his family, the Weird Watsons of Flint, Michigan. There's Momma, Dad, little sister Joetta, and brother Byron, who's thirteen and an "official juvenile delinquent." When Momma and Dad decide it's time for a visit to Grandma, Dad comes home with the amazing Ultra-Glide, and the Watsons set out on a trip like no other. They're heading South to Birmingham, Alabama, toward one of the darkest moments in America's history.

    Back in the 1830s, who was a young blacksmith from Vermont, about to make his mark on American history? John Deere, that’s who!Who moved to Illinois, where farmers were struggling to plow through the thick, rich soil they called gumbo? Who tinkered and and tweaked and tested until he invented a steel plow that sliced into the prairie easy as you please?Long before the first tractor, who changed farming forever? John Deere, that’s who!Beautiful illustrations—including spectacular landscapes—reflect the time period and bring John Deere's remarkable story to life.

    But their differing views on how to run the newly created United States turned them into the worst of friends. They each became leaders of opposing political parties, and their rivalry followed them to the White House. Full of both history and humor, this is the story of two of America's most well-known presidents and how they learned to put their political differences aside for the sake of friendship.

    Arthur's essay wins a contest and he has to read it to the President in a special ceremony at the White House.

    Imagine you were born before the invention of drawing, more than thirty thousand years ago.You would live with your whole family in a cave and see woolly mammoths walk by!You might even see images of animals hidden in the shapes of clouds and rocks.You would want to share these pictures with your family, but wouldn't know how.Who would have made the world's first drawing? Would it have been you? In The First Drawing, Caldecott Medal winner Mordicai Gerstein imagines the discovery of drawing...and inspires the young dreamers and artists of today.

    And he determined that one day his camera would capture for others the wonder of the tiny crystal. Bentley's enthusiasm for photographing snowflakes was often misunderstood in his time, but his patience and determination revealed two important truths: no two snowflakes are alike; and each one is startlingly beautiful. His story is gracefully told and brought to life in lovely woodcuts, giving children insight into a soul who had not only a scientist's vision and perseverance but a clear passion for the wonders of nature. Snowflake Bentley won the 1999 Caldecott Medal.

    This richly detailed book ingeniously shows how food, technology, and even families have changed throughout American history. In 1710, a girl and her mother in Lyme, England, prepare a blackberry fool, picking wild blackberries and beating cream from their cow with a bundle of twigs. The same dessert is prepared by an enslaved girl and her mother in 1810 in Charleston, South Carolina; by a mother and daughter in 1910 in Boston; and finally by a boy and his father in present-day San Diego. Kids and parents alike will delight in discovering the differences in daily life over the course of four centuries. Includes a recipe for blackberry fool and notes from the author and illustrator about their research.From the Hardcover edition.

    And, it's true, many of them do. But Paul Erdos never followed the usual path. At the age of four, he could ask you when you were born and then calculate the number of seconds you had been alive in his head. But he didn't learn to butter his own bread until he turned twenty. Instead, he traveled around the world, from one mathematician to the next, collaborating on an astonishing number of publications. With a simple, lyrical text and richly layered illustrations, this is a beautiful introduction to the world of math and a fascinating look at the unique character traits that made "Uncle Paul" a great man.

    The girl, Nya, is fetching water from a pond that is two hours’ walk from her home: she makes two trips to the pond every day. The boy, Salva, becomes one of the "lost boys" of Sudan, refugees who cover the African continent on foot as they search for their families and for a safe place to stay. Enduring every hardship from loneliness to attack by armed rebels to contact with killer lions and crocodiles, Salva is a survivor, and his story goes on to intersect with Nya’s in an astonishing and moving way.

    As much as she loves welcoming people to America, standing still for over a hundred years has left her with a stiff neck, aching arms, and a cramp in her leg. This lady could use a vacation!   With some encouragement from her friend Moe the pigeon, Lady Liberty takes off to see the rest of America! She explores the sandy beaches of Cape Cod, the waving wheat fields of Kansas, the breathtaking grandeur of the Grand Canyon, and the cozy sunshine of the California coastline. But will Lady Liberty make it back to New York City for the Fourth of July? And will she even want to?

    Mama and child are riding where they?re supposed to?way in the back of the bus. The boy passes the time by watching his marble roll up and down the aisle with the motion of the bus, until from way up front a big commotion breaks out. He can?t see what?s going on, but he can see the policeman arrive outside and he can see Mama?s chin grow strong. ?There you go, Rosa Parks,? she says, ?stirrin? up a nest of hornets. Tomorrow all this?ll be forgot.? But they both know differently. With childlike words and powerful illustrations, Aaron Reynolds and Coretta Scott King medalist Floyd Cooper recount Rosa Parks? act of defiance through the eyes of a child?who will never forget.