That is, until the day he gets a call from some Earth scientists telling him he isn’t a planet anymore! You probably wanted to meet a real planet, huh? So, Pluto takes the reader on a hilarious and informative journey through the solar system to introduce the other planets and commiserate about his situation along the way. Younger readers will be so busy laughing over Pluto’s interactions with the other planets, asteroids, moons, and even the sun, they won’t even realize just how much they’re learning about our solar system!

    When a professor discovered that the homework sent to him under a male pen name came from a woman...nothing stopped Sophie. And when she tackled a math problem that male scholars said would be impossible to solve...still, nothing stopped Sophie.For six years Sophie Germain used her love of math and her undeniable determination to test equations that would predict patterns of vibrations. She eventually became the first woman to win a grand prize from France's prestigious Academy of Sciences for her formula, which laid the groundwork for much of modern architecture (and can be seen in the book's illustrations).Award-winning author Cheryl Bardoe's inspiring and poetic text is brought to life by acclaimed artist Barbara McClintock's intricate pen-and-ink, watercolor, and collage illustrations in this true story about a woman who let nothing stop her.

    Birds and other animals scurry about looking for food. When they get tired, they stop to rest at a giant cactus. It is their hotel in the desert!

    One child experiences a flower with all five senses—from its color to its fragrance to the entire universe it evokes—revealing how a single flower can expand one's perspective in many ways.

    As the moon rises a mother raccoon and her two young begin an all night feast in a cornfield. Acclaimed nature artist Jim Arnosky gives young children an unforgettable wildlife-watching experience.

    Everyone has been practising hard and is ready and raring to go. However, a new competitor joins the event, accompanied by The Evil Pea, and is determined to win all the prizes. Things don’t seem quite right… but will Supertato be able to foil his nemesis’ plan in time? Another laugh-out-loud story from the bestselling, award-winning Sue Hendra and Paul Linnet.

    If it's a challenge for these 7,000-pound giants, what's it like for their newborn babies?An infant elephant has precious little time to learn the incredible array of skills that are necessary to keep up, from projecting her voice across a 10-octave range to using the 100,000 muscles in her trunk to stay hydrated. But this giant-to-be has the perfect classroom--a family herd made up of her mother, sisters, cousins, and aunts. With their help and protection, she'll learn how to survive, how to thrive, and how to be an elephant. Award-winning author-illustrator Katherine Roy's How to Be an Elephant delves into the intricate family dynamics at play in a typical African herd. Drawing upon the latest scientific research and Roy's own expedition to Kenya, and brimming with lush watercolor illustrations and detailed diagrams, this book vividly portrays the life and development of an elephant from an uncertain newborn into a majestic adult. As informative as it is beautiful, Roy's unique portrait of an elephant's life will captivate young explorers and animal lovers alike.

    Soon your little gardeners will have their very own green thumbs for this most important of life skills.

    From that day on he never stopped marveling at the universe and seeking to understand it better. Star Stuff follows Carl from his days star gazing from the bedroom window of his Brooklyn apartment, through his love of speculative science fiction novels, to his work as an internationally renowned scientist who worked on the Voyager missions exploring the farthest reaches of space. This book introduces the beloved man who brought the mystery of the cosmos into homes across America to a new generation of dreamers and star gazers.

    Think you've spotted one? Lift one of ten gatefolds to find out. A full page of fascinating information accompanies each animal so readers can learn how nature's camouflage serves hunter and hunted alike. Why do fawns have spots during their first year of life? How did killdeer birds get their name? What makes a crab spider so good at ambushing its prey? Recipient of the 2008 American Association for the Advancement of Science/Subaru Science Book and Films Prize for Excellence in Science Books.Named a 2008 Outstanding Science Trade Books for Students K-12 by the National Science Teachers Association (NSTA) and the Children's Book Council (CBC)Editor's Choice, 2007— Booklist magazineListed in "Lasting Connections of 2007," an annual roundup of the year's best books to tie into curriculum.-Book Links magazine

    From then on, Sophie brings Bernice everywhere, despite her parents' gentle warnings that Bernice will begin to rot. As winter nears, Sophie does start to notice changes.... What's a girl to do when the squash she loves is in trouble?

    It's been around for centuries; from the ancient Greeks to the American Indians, everyone's chewed it. But the best kind of gum; bubble gum! wasn't invented until 1928, when an enterprising young accountant at Fleer Gum and Candy used his spare time to experiment with different recipes. Bubble-blowing kids everywhere will be delighted with Megan McCarthy's entertaining pictures and engaging fun facts as they learn the history behind the pink perfection of Dubble Bubble.

    "I want to be an astronaut!" she says to everyone who will listen. While her mama is away, Astrid and her papa have fun acting out the challenges an astronaut faces on a space mission -- like being in zero gravity ("I can do that all day long!" she says), eating food from a kind of tube, and doing science experiments with the help of cookie sheets. When at last it's time to meet Mama at the air base, Astrid wears her favorite space T-shirt to greet her. But where exactly has Mama been? Channeling a sense of childlike delight, Ken Wilson-Max brings space travel up close for young readers and offers an inspiring ending.

    Is there enough time? You have 3 shirts and 2 pairs of pants. Can you make 1 good outfit? Then you start to wonder: Why does everything have to be such a problem? Why do 2 apples always have to be added to 5 oranges? Why do 4 kids always have to divide 12 marbles? Why can't you just keep 10 cookies without someone taking 3 away? Why? Because you're the victim of a Math Curse. That's why. But don't despair. This is one girl's story of how that curse can be broken.

    And once, born nearly a thousand years after the tree first took root, there was a girl named Julia, who was called Butterfly.When exploring her beloved forest, Butterfly wandered into a grove of ancient trees. One tree had broken branches and a big blue "X" on the side. It was going to be chopped down. Butterfly climbed up into the tree. A tree wouldn't be cut down if it had a person living in it. This is the story of Julia Butterfly Hill and Luna, the redwood tree she lived in for two years, never once coming down. That is, not until Luna's future was safe.