Dive below the surface and find out what happens under earth and under sea—from early submarines and deep-sea life to burrowing animals and man-made tunnels.

    Find out how her passion for math and the Cherokee values she was raised with shaped her life and work. Cherokee author Traci Sorell and Métis illustrator Natasha Donovan trace Ross's journey from being the only girl in a high school math class to becoming a teacher to pursuing an engineering degree, joining the top-secret Skunk Works division of Lockheed, and being a mentor for Native Americans and young women interested in engineering. In addition, the narrative highlights Cherokee values including education, working cooperatively, remaining humble, and helping ensure equal opportunity and education for all.

    Kiss My Math: Showing Pre-Algebra Who's Boss

    Tiny likes to read. But both twins like to eat . . . POPCORN! So while Tony cooks it, Tiny reads about what popcorn is, how it's stored, how it's cooked, how different Native American people made it, how much popcorn Americans eat, popcorn stories and legends, and popcorn recipes. Tomie de Paola, who eats a lot of popcorn, shares what he knows about it with humor and imagination.

    Bob was a studious planner who wanted to grow up to be a doctor. Joe dreamed of making his fortune in show business and loved magic tricks and problem-solving.When an accident left Bob recovering in a darkened basement, the brothers began experimenting with ultraviolet light and fluorescent paints. Together they invented a whole new kind of color, one that glows with an extra-special intensity--Day-Glo.This cover reproduction is not printed with Day-Glo colors. The actual book, however, is printed using three Day-Glo colors: Saturn Yellow, Fire Orange, and Signal Green.

    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.

    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.

    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.

    As we dream with him, we are taken further and further into mathematical theory, where ideas eventually take flight, until everyone--from those who fumble over fractions to those who solve complex equations in their heads--winds up marveling at what numbers can do.Hans Magnus Enzensberger is a true polymath, the kind of superb intellectual who loves thinking and marshals all of his charm and wit to share his passions with the world. In The Number Devil, he brings together the surreal logic of Alice in Wonderland and the existential geometry of Flatland with the kind of math everyone would love, if only they had a number devil to teach them.

    A Caldecott medalist and a Newbery Honor-winning poet celebrate the beauty and value of spirals.What makes the tiny snail shell so beautiful? Why does that shape occur in nature over and over againbut also celebrate the beauty and usefulness of this fascinating shape.

    He was also a planter and gardener who loved to watch things grow—everything from plants and crops to even his brand-new nation. As minister to France, Jefferson promoted all things American, sharing corn and pecans with his Parisian neighbors. As secretary of state, he encouraged his fellow farmers to grow olives, rice and maple trees. As president, he doubled the size of the nation with the Louisiana Purchase. Even in his retirement, Jefferson continued to nurture the nation, laying the groundwork for the University of Virginia. In this meticulously researched picture book for older readers, author Peggy Thomas uncovers Jefferson’s passion for agriculture and his country. And Stacy Innerst’s incredibly original illustrations offer the right balance of reverence and whimsy. This is Thomas Jefferson as he’s never been seen before! Back matter includes an author’s note on Jefferson’s legacy today; timeline, bibliography; place to visit (Monticello); and source notes.

    This refusal to give up her dignity sparked the Montgomery bus boycott, a yearlong struggle, and a major victory in the civil rights movement. Source notes, map, bibliography, index.

    Inside this book, families will find fun, mischief-making math problems to tackle—math that isn't just kid-friendly, but actually kid-appealing. With over 100 math riddles on topics from jalapeños and submarines to roller coasters and flamingos, this book bursts with math that looks nothing like school. And with three different levels of challenge (wee ones, little kids, and big kids), there's something for everyone. We can make numbers fun, and change the world, one Bedtime Math puzzle at a time.

    Delicate artwork, a focus on counting, and an engaging treasure hunt will entice fans of Bill Martin Jr’s Chicka Chicka Boom Boom and Steve Light’s Have You Seen My Dragon? There are treasures hiding in the trees! Can you find them? From the author of the acclaimed and bestselling Tap the Magic Tree, this stunning picture book merges basic math concepts with elements of a treasure hunt.With different species of birds and other forest animals hiding in the trees and bushes, there is something new to discover on every page. Patience is rewarded as readers learn to count backward from ten, meet new birds, and learn about the diverse ecosystem of the forest. Beautiful watercolor-and-collage art, a playful counting text, and a search-and-find theme will inspire children and parents to return to Bird Watch again and again.And for curious young birders, a page of information about bird-watching and the different birds that appear in the book is included.

    Wander the galleries of this museum whenever you wish—it’s open 365 days a year!—and discover a collection of curated objects on every page, accompanied by informative text. Each chapter features a different ancient civilization, from the Silla dynasty of Korea to ancient Rome.