When she meets Charles Babbage, the inventor of the first mechanical computer, Ada understands the machine better than anyone else and writes the world's first computer program in order to demonstrate its capabilities.

    One hundred years later, they continue to have adventures, do good deeds, and make a difference!

    . .One night, her mother takes her to the ballet, and everything is changed. Anna finds a beauty inside herself that she cannot contain.So begins the journey of a girl who will one day grow up to be the most famous prima ballerina of all time, inspiring legions of dancers after her: the brave, the generous, the transcendently gifted Anna Pavlova.

    Without enough money for food, let alone school, William spent his days in the library ... and figured out how to bring electricity to his village. Persevering against the odds, William built a functioning windmill out of junkyard scraps, and thus became the local hero who harnessed the wind. Lyrically told and gloriously illustrated, this story will inspire many as it shows how—even in the worst of times—a great idea and a lot of hard work can still rock the world.

    Taught to think big by her father who was a mapmaker, Marie wanted to do something no one had ever done before: map the bottom of the Atlantic Ocean. Was it even possible? Not sure if she would succeed, Marie decided to give it a try.Throughout history, others had tried and failed to measure the depths of the oceans. Sailors lowered weighted ropes to take measurements. Even today, scientists are trying to measure the depth by using echo sounder machines to track how long it would take a sound wave sent from a ship to the sea floor to come back. But for Marie, it was like piecing together an immense jigsaw puzzle.Despite past failures and challenges—sometimes Marie would be turned away from a ship because having a woman on board was “bad luck”—Marie was determined to succeed. And she did, becoming the first person to chart the ocean floor, helping us better understand the planet we call home.

    She knew it was wrong that people thought women could only be teachers or nurses--as wrong as 10-5=3. And she proved everyone wrong by zooming ahead of her classmates, starting college at fifteen, and eventually joining NASA, where her calculations helped pioneer America's first manned flight into space, its first manned orbit of Earth, and the world's first trip to the moon!Award-winning author Suzanne Slade and debut artist Veronica Miller Jamison tell the story of a NASA "computer" in this smartly written, charmingly illustrated biography.

    But what happens when a bag breaks or is no longer needed? In Njau, Gambia, people simply dropped the bags and went on their way. One plastic bag became two. Then ten. Then a hundred.The bags accumulated in ugly heaps alongside roads. Water pooled in them, bringing mosquitoes and disease. Some bags were burned, leaving behind a terrible smell. Some were buried, but they strangled gardens. They killed livestock that tried to eat them. Something had to change.Isatou Ceesay was that change. She found a way to recycle the bags and transform her community. This inspirational true story shows how one person's actions really can make a difference in our world.

    This is the story of Dinosaur Lady.Mary Anning loved scouring the beach near her home in England for shells and fossils. She fearlessly climbed over crumbling cliffs and rocky peaks, searching for new specimens. One day, something caught Mary's eye.Bones. Dinosaur Bones.Mary's discoveries rocked the world of science and helped create a brand-new field of study: paleontology. But many people believed women couldn't be scientists, so Mary wasn't given the credit she deserved. Nevertheless, Mary kept looking and learning more, making discoveries that reshaped scientific beliefs about the natural world.Dinosaur Lady is a beautiful and brilliant picture book that will enlighten children about the discovery of the dinosaurs and the importance of female scientists. It also includes a timeline of Mary Anning's life and lots of fantastic fossil facts!

    But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    R. R. Tolkien.John Ronald loved dragons. He liked to imagine dragons when he was alone, and with his friends, and especially when life got hard or sad. After his mother died and he had to live with a cold-hearted aunt, he looked for dragons. He searched for them at his boarding school. And when he fought in a Great War, he felt as if terrible, destructive dragons were everywhere. But he never actually found one, until one day, when he was a grown man but still very much a boy at heart, when he decided to create one of his own. John Ronald's Dragons, a picture book biography by Caroline McAlister and illustrated by Eliza Wheeler, introduces the beloved creator of Middle Earth and author of The Hobbit and The Lord of the Rings to a new generation of children who see magic in the world around them.

    Using the insights of great mathematicians and endlessly observing the sky, he succeeded in confirming two things that altered human life forever: that there are more galaxies than our own, and that the universe is always expanding. Hubble’s message to us is to find peace in the vastness of the mystery surrounding us, and to be curious. “We do now know why we are born into the world,” he said, “but we can try to find out what sort of world it is.”

    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.

    He protected roots through harsh winters, so plants could be reborn in the spring. He trimmed flowers, spread soil, studied life cycles. And it was in this very place that George’s love of nature sprouted into something so much more—his future.

    Barnum, hoping that he would do something extraordinary--and he did! As a paleonotologist for the American Museum of Natural History, he discovered the first documented skeleton of the Tyrannosaurus Rex, as well as most of the other dinosaurs on display there today.An appealing and fun picture book biography, with zany and stunning illustrations by Boris Kulikov, BARNUM'S BONES captures the spirit of this remarkable man.

    These pages come alive with the details of the trip and the sounds, speed, and strength of the mighty locomotives; the work that keeps them moving; and the thrill of travel from plains to mountain to ocean.