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.

    . . . art reinforces Harris's message that bodies come in all sizes, shapes, and colors—and that each variation is 'perfectly normal.'" —Publishers Weekly (starred review)When young people have questions about sex, real answers can be hard to find. Providing accurate, unbiased answers to nearly every imaginable question, from conception and puberty to birth control and AIDS, It's Perfectly Normal offers young people the information they need—now more than ever—to make responsible decisions and to stay healthy. Already used as a trusted resource in twenty-five countries around the world (and translated into twenty-one languages), It's Perfectly Normal marks its tenth anniversary with a thoroughly updated edition that includes the latest information on such topics as birth control, hepatitis, HIV, and adoption, among others. This definitive new edition also reflects the recent input of parents, teachers, librarians, clergy, scientists, health professionals, and young readers themselves. Back matter includes an index and a note to the reader.

    In fact, five of them could fit into the period at the end of this sentence.On a clear, warm Sunday, April 14, 1935, a wild wind whipped up millions upon millions of these specks of dust to form a duster—a savage storm—on America's high southern plains.The sky turned black, sand-filled winds scoured the paint off houses and cars, trains derailed, and electricity coursed through the air. Sand and dirt fell like snow—people got lost in the gloom and suffocated . . . and that was just the beginning.Don Brown brings the Dirty Thirties to life with kinetic, highly saturated, and lively artwork in this graphic novel of one of America's most catastrophic natural events: the Dust Bowl.

    The girl, Nya, is fetching water from a pond that is two hours’ walk from her home: she makes two trips to the pond every day. The boy, Salva, becomes one of the "lost boys" of Sudan, refugees who cover the African continent on foot as they search for their families and for a safe place to stay. Enduring every hardship from loneliness to attack by armed rebels to contact with killer lions and crocodiles, Salva is a survivor, and his story goes on to intersect with Nya’s in an astonishing and moving way.

    It features not only borders, cities, rivers, and peaks, but also places of historical and cultural interest, eminent personalities, iconic animals and plants, cultural events, and many more fascinating facts associated with every region of our planet.

    The nation's capital and the largest city in North America is devastated by an apparently incurable disease, cause unknown . . .Jim Murphy describes the illness known as yellow fever and the toll it took on the city's residents, relating the epidemic to the major social and political events of the day and to 18th-century medical beliefs and practices. Drawing on first-hand accounts, Murphy spotlights the heroic role of Philadelphia's free blacks in combating the disease, and the Constitutional crisis that President Washington faced when he was forced to leave the city--and all his papers--while escaping the deadly contagion. The search for the fever's causes and cure, not found for more than a century afterward, provides a suspenseful counterpoint to this riveting true story of a city under siege.

    These three ground-breaking researchers were all students of the great Louis Leakey, and each made profound contributions to primatology—and to our own understanding of ourselves.Tackling Goodall, Fossey, and Galdikas in turn, and covering the highlights of their respective careers, Primates is an accessible, entertaining, and informative look at the field of primatology and at the lives of three of the most remarkable women scientists of the twentieth century. Thanks to the charming and inviting illustrations by Maris Wicks, this is a nonfiction graphic novel with broad appeal.

    The lighter-skinned children have been promised a chance to escape into white society, but what does this mean for the children who look more like their mother? As each child grows up, their questions about slavery and freedom become tougher, calling into question the real meaning of "life, liberty, and the pursuit of happiness."Told in three parts from the points of view of three of Jefferson's slaves - Beverly, Madison, and a third boy close to the Hemings family - these engaging and poignant voices shed light on what life was like as one of Jefferson's invisible offspring.

    Mann.

     • Over 200 early learning activities. • Includes two wipe-clean pens.  Warning:  Choking Hazard - Small parts.  Not intended for children under 3 yrs.Book Details: Format: Paperback Publication Date: 1/9/2007 Pages: 56 Reading Level: Age 2 and Up

    Kids in particular are always excited by all things space related. A picture book is the perfect gift for kids because it brings the excitement and wonder of our solar system closer in bright colorful detail. It lets them learn facts about the planets and moons in a friendly format that they can come back to again and again, and the pictures can inspire them to create their own drawings of the wonders of the universe.

    This is a clear, vivid text with charts and maps showing the positions of the constellations the year round.

    That simple discovery launched a scientific race that spanned 3 continents. In Great Britain and the United States, Soviet spies worked their way into the scientific community; in Norway, a commando force slipped behind enemy lines to attack German heavy-water manufacturing; and deep in the desert, one brilliant group of scientists was hidden away at a remote site at Los Alamos. This is the story of the plotting, the risk-taking, the deceit, and genius that created the world's most formidable weapon. This is the story of the atomic bomb.Bomb is a 2012 National Book Awards finalist for Young People's Literature. Bomb is a 2012 Washington Post Best Kids Books of the Year title.Bomb is a 2013 Newbery Honor book.

    Filled with familiar favorites and new discoveries written by a wide variety of poets, including William Shakespeare, Emily Dickinson, John Updike, Langston Hughes, N. M. Bodecker, Okamoto Kanoko, and many more, this is the perfect book for children (and grown-ups!) to share at the beginning or the end of the day.