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.

    "A good introduction to the subject."––BL. 1994 "Pick of the Lists" (ABA)Outstanding Science Trade Books for Children 1995 (NSTA/CBC)

    Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.

    Here, acclaimed author and illustrator Molly Bang presents a celebration of the wonder and power of the sun and its radiance. With dazzling paintings and a simple poetic text, MY LIGHT follows the paths of the sun's rays, showing the many ways in which we obtain energy from its light. As in COMMON GROUND (Giverny Award for Best Science Picture Book), Bang uses a story to explain the basic concepts behind electricity and our energy resources--a compelling and easily-accessible way to present a non-fiction subject.

    Plants might not pick up their roots and walk away, but they definitely don’t sit still! Discover the many ways plants (and their seeds) move. Whether it’s a sunflower, a Venus flytrap, or an exotic plant like an exploding cucumber, this fascinating picture book shows just how excitingly active plants really are.

     If there was one thing James loved to do more than anything else, it was to be in the great outdoors watching his beloved feathered friends. In the fall of 1804, he was determined to find out if the birds nesting near his Pennsylvania home would really return the following spring. Through careful observation, James laid the foundation for all that we know about migration patterns today. Capturing the early passion of this bird-obsessed young man as well as the meticulous study and scientific methods behind his research, this lively, gorgeously illustrated biography will leave young readers listening intently for the call of birds large and small near their own home.

    Born the youngest daughter of a poor family in Hanover, Germany, she was scarred from smallpox, stunted from typhus and used by her parents as a scullery maid. But when her favorite brother, William, left for England, he took her with him. The siblings shared a passion for stars, and together they built the greatest telescope of their age, working tirelessly on star charts. Using their telescope, Caroline discovered fourteen nebulae and two galaxies, was the first woman to discover a comet, and became the first woman officially employed as a scientist by no less than the King of England! The information from the Herschels star catalogs is still used by space agencies today.

    Frizzle's class is learning all about water. And when Wanda suggests they take a trip to Waterland, Ms Frizzle gets that funny look in her eyes. But instead of taking her class to the water theme park, she takes them on a seriously wet and wild ride - through the water cycle! Join the class as they evaporate, condense, rain, and make their way back to the ocean...only to evaporate all over again!

    The little mouse works as hard as the bigger mice to show readiness for the mission . . . and is chosen for the flight! While in space, the astronauts are busy with their mission when disaster strikes—and only the smallest member of the crew can save the day.

    In over fifty dramatic, full-color photographs and an easy-to-read text, award-winning author Seymour Simon takes you on a fascinating tour of the nine planets, dozens of moons, and thousands of asteroids, meteoroids, and comets that travel around our sun.First, Simon explores the star at the center of our Solar System -- from the constant nuclear explosions at its core to the giant storms on its surface as geysers of flaming gas over a hundred thousand miles long rise and fall in just a few hours.You will also learn about the four rocky inner planets, from airless Mercury to fiery Venus, her sister planet, Earth, and mysterious Mars. Then join the thrilling Voyager missions to explore the four gaseous outer planets: gigantic Jupiter, ringed Saturn, tilted Uranus -- the planet "lying on its side" -- and windy Neptune. You will finish your journey at distant Pluto, then visit the asteroid belt and examine comets, the "dirty snowballs" in space.A companion volume to Simon's landmark series of individual books about each of the planets, the sun, stars, and other space sights, Our Solar System will introduce you to some of the most amazing mysteries in the universe.

    In this fun and fascinating nonfiction picture book, join world-renowned photographers and biologists on their close encounters with the curious creatures that make their own light. Author’s note and bibliography included.

    Human Body

    . . nothing. But then . . . BANG! Stars caught fire and burned so long that they exploded, flinging stardust everywhere. And the ash of those stars turned into planets. Into our Earth. And into us. In a poetic text, Marion Dane Bauer takes readers from the trillionth of a second when our universe was born to the singularities that became each one of us, while vivid illustrations by Ekua Holmes capture the void before the Big Bang and the ensuing life that burst across galaxies. A seamless blend of science and art, this picture book reveals the composition of our world and beyond -- and how we are all the stuff of stars.

         From the moon to the stars, from the Earth to Mars, here is an exuberant celebration of our celestial surroundings that's certain to become a universal favorite among aspiring astronomers everywhere.      Includes die-cut pages and a glossary of space terms.

    Giraffes have eyelashes. Sloths hang from trees for days at a time without going to the bathroom. These are just some of the insights featured in Life-Size Zoo. Acclaimed wildlife photographer Toyofumi Fukuda visited Japan's premier zoos to capture remarkably vivid and detailed close-up photographs of 21 animals, from pandas and meerkats to giraffes, rhinos, and elephants (adult and baby). Each photograph is accompanied by a profile including body length, weight, and natural habitat, as well as fun facts about the animal.