. . . A butterfly, perhaps? Readers of all ages have celebrated the work of Bill Martin Jr and Lois Ehlert ever since their first collaboration on Chicka Chicka Boom Boom more than twenty-five years ago. Now these two picture-book geniuses are together again in this dynamic and visually stunning counting-and-natural history picture book that's just perfect for reading aloud--and comes complete with a glossary filled with intriguing information about all of the caterpillar stars!

    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.

    Inspired by an Ig Nobel Prize–winning investigation of how cats behave like liquids, it introduces some of the physical properties of liquids—they adapt to fit a container, they flow like fluids—and is just pure fun. Like its inspiration, it makes you laugh, then think. Back matter includes a brief introduction to the different physical states: solid, liquid, gas.

    The teacher says they can make maps of anyplace, so Lisa starts with her bedroom. She includes all the things that people will need to read the map, such as a scale and a key to the symbols she has used. Her dog, Penny, helps with the map. This gives Lisa an idea: Why not map Penny's world? Making maps is so much fun that Lisa and Penny decide to visit some of the exotic places that they've drawn-but they won't forget to take a map along!Now available in paperback, this engaging sequel to the bestselling Measuring Penny will delight teachers and students alike.

    Using clear language, drawings, and diagrams, space unfolds before a child's eyes. With our world as the starting point, we are taken on a tour past each planet and on to the stars--all through the eyes of a young girl. Colorful illustrations, filled with fun and detail, give children a lot to look for on every page. A glossary, included for further information, helps to provide an enjoyable, easy-to-read, and easy-to-use introduction to the universe.

    Maxwell Eaton III's The Truth About Hippos is a lighthearted nonfiction picture book, filled with useful facts about hippos that will make you laugh so hard you won’t even realize you’re learning something!

    The last two teachers of this class quit in frustration. The students--a bunch of energetic young men--are bored with all the regular games and activities. Naismith needs something new, exciting, and fast to keep the class happy...or someone's going to get hurt. His only resources are a gymnasium, a couple peach baskets, some soccer balls, and his imagination. Saving this class is going to take a genius. Discover the true story of how Naismith invented basketball in 1891 at a school in Springfield, Massachusetts.

    Brian Karas present the extraordinary real story of a special gorilla.Captured as a baby, Ivan was brought to a Tacoma, Washington, mall to attract shoppers. Gradually, public pressure built until a better way of life for Ivan was found at Zoo Atlanta. From the Congo to America, and from a local business attraction to a national symbol of animal welfare, Ivan the Shopping Mall Gorilla traveled an astonishing distance in miles and in impact.This is his true story and includes photographs of Ivan in the back matter.

    But water doesn't always look the same, it doesn't always feel the same, and it shows up in lots of different shapes. Water can be a lake, it can be steam, it can be a tear, or it can even be a snowman.As the girl discovers water in nature, in weather, in her home, and even inside her own body, water comes to life, and kids will find excitement and joy in water and its many forms.

    When she was just twelve years old, Mattie designed a metal guard to prevent shuttles from shooting off textile looms and injuring workers. As an adult, Mattie invented the machine that makes the square-bottom paper bags we still use today. However, in court, a man claimed the invention was his, stating that she “could not possibly understand the mechanical complexities.” Marvelous Mattie proved him wrong, and over the course of her life earned the title of “the Lady Edison.”   With charming pen-and-ink and watercolor illustrations, this introduction to one of the most prolific female inventors will leave readers inspired.   Marvelous Mattie is a 2007 Bank Street - Best Children's Book of the Year.

    With each discovery, kids learn the science behind the surprise, explained in terms they’ll understand. Complete with sidebars and a glossary, this entertaining adventure is perfect for sharing at home and at school.

    Harkness would inherit an expedition from her explorer husband: the hunt for a panda.  She knew that bringing back a panda would be hard. Impossible, even.  But she intended to try.So she went to China, where she found a guide, built traps, gathered supplies, and had explorers' clothes made—unheard of for a woman in those days.  Then she set out up the Yangtze River and into the wilderness.  What she discovered would awe America: an adorable baby panda she named Su Lin, which means "a little bit of something very cute."With breathtaking illustrations from Caldecott Honor artist Melissa Sweet, this little-known true story shares the tale of an adventurous woman who was bold and brave—and the unforgettable journey that helped shape American attitudes toward wildlife.

    There are twists and turns, falls and scrapes, and obstacles that seem insurmountable until you learn to see the possibilities within them. And then there is the moment of triumph, when there's nothing above you but sky and nothing below but a goal achieved.Ashima Shiraishi draws on her experience as a world-class climber in this story that challenges readers to tackle the problems in their own lives and rise to greater heights than they would have ever thought possible.

    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.

    But even though they're far away, stars are part of your world, too! Just lift up your eyes to see. Anne Rockwell explains the universe with bright pictures and simple text in a book that will delight any curious child's mind!