To help make sense of the computer age, David Macaulay brings us The New Way Things Work. This completely updated and expanded edition describes twelve new machines and includes more than seventy new pages detailing the latest innovations. With an entirely new section that guides us through the complicated world of digital machinery, where masses of electronic information can be squeezed onto a single tiny microchip, this revised edition embraces all of the newest developments, from cars to watches. Each scientific principle is brilliantly explained--with the help of a charming, if rather slow-witted, woolly mammoth.

    The ship is full of exciting places to explore, but when George ventures into the first class storage cabin, a terrible boom shakes the entire boat. Suddenly, water is everywhere, and George's life changes forever.Lauren Tarshis brings history's most exciting and terrifying events to life in this new fictional series. Readers will be transported by stories of amazing kids and how they survived!

    It had an illustration that captivated him–a diagram showing Earth’s interior as it would look if you cut into it with a large knife and removed about a quarter of its bulk. The idea of lots of startled cars and people falling off the edge of that sudden cliff (and 4,000 miles is a pretty long way to fall) was what grabbed him in the beginning, but gradually his attention turned to what the picture was trying to teach him: namely that Earth’s interior is made up of several different layers of materials, and at the very centre is a glowing sphere of iron and nickel, as hot as the Sun’s surface, according to the caption. And he very clearly remembers thinking: “How do they know that?”Bill’s storytelling skill makes the “How?” and, just as importantly, the “Who?” of scientific discovery entertaining and accessible for all ages. He covers the wonder and mystery of time and space, the frequently bizarre and often obsessive scientists and the methods they used, and the mind-boggling fact that, somehow, the universe exists and against all odds, life came to be on this wondrous planet we call home.

    This celebration of the wonder and variety of earth's animals is "joyous...a book to be shared" (Booklist, starred review).

    How she was treated by medical and legal officials reveals a lesser-known story of human and constitutional rights, entangled with the science of pathology and enduring questions about who Mary Mallon really was. How did her name become synonymous with deadly disease? And who is really responsible for the lasting legacy of Typhoid Mary? This thorough exploration includes an author's note, timeline, annotated source notes, and bibliography.

    Translated into more than fifty languages, Cheaper by the Dozen is the unforgettable story of the Gilbreth clan as told by two of its members. In this endearing, amusing memoir, siblings Frank Jr. and Ernestine capture the hilarity and heart of growing up in an oversized family.Mother and Dad are world-renowned efficiency experts, helping factories fine-tune their assembly lines for maximum output at minimum cost. At home, the Gilbreths themselves have cranked out twelve kids, and Dad is out to prove that efficiency principles can apply to family as well as the workplace. The heartwarming and comic stories of the jumbo-size Gilbreth clan have delighted generations of readers, and will keep you and yours laughing for years.

    King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. With the help of the carpenter, Geo of Metry, this sharp-minded team designs the perfect table conducive to discussing the perfect plan for peace. The first in Sir Cumference series, SIR CUMFERENCE AND THE FIRST ROUND TABLE makes math fun and accessible for everyone.

    But one night after Girl Scouts she trips and falls, severely injuring her two front teeth, and what follows is a long and frustrating journey with on-again, off-again braces, surgery, embarrassing headgear, and even a retainer with fake teeth attached. And on top of all that, there’s still more to deal with: a major earthquake, boy confusion, and friends who turn out to be not so friendly. This coming-of-age true story is sure to resonate with anyone who has ever been in middle school, and especially those who have ever had a bit of their own dental drama.

    She shows how you, too, can get terrific ideas for stories, invent great beginnings and endings, write sparkling dialogue, develop memorable characters—and much, much more. She advises you about what to do when you feel stuck—and how to use helpful criticism. Best of all, she offers writing exercises that will set your imagination on fire.With humor, honesty, and wisdom, Gail Carson Levine shows you that you, too, can make magic with your writing.

    His older brothers help his dad rule the cosmos, but all Joss gets to do is deliver pies. That's right: pies. Of course, these pies actually hold the secrets of the universe between their buttery crusts, but they're still pies.Joss is happy to let his older brothers shine. He has plenty to keep his hands full: attempting to improve his bowling score; listening to his best friend, Kal, try (and fail) to play the drums; and exploring his ever-changing home, The Realms. But when Earth suddenly disappears, Joss is tasked with the seemingly impossible job of bringing it back. With the help of Annika, an outspoken girl from Earth, he embarks on the adventure of a lifetime...and learns that the universe is an even stranger place than he'd imagined.From the New York Times bestselling author of The Candymakers comes a world-hopping tale that leads the reader deep into the heart of the mysteries of time and space. Plus, there's pie.

    Ruth Heller's prose and pictures are the perfect means for discovering the variety of oviparous animals and their unique ways of laying eggs.

    She lived in a world of silence and darkness and she spent the rest of her life struggling to break through it. With the help of teacher Annie Sullivan, Helen learned to read, write, and do many amazing things. This inspiring illustrated biography is perfect for young middle-grade readers. Black-and-white line drawings throughout, sidebars on related topics such as Louis Braille, a timeline, and a bibliography enhance readers' understanding of the subject.

    Once again, the Bird and Bee are up to their antics, but this time they're younger. In It's So Amazing!, these reassuring characters reflect the many moods of children age 7 and up: silly, serious, curious, embarrassed. Their voices echo the thoughts, questions, and concerns of a younger audience.

    It was written especially for children who have been convinced by the attitudes of adults that mathematics is (1) impossible (2) only for bright kids (3) no fun at all anyway. This book says that maths is nothing more than a way of looking at the world and that it can be relevant to everyday life (Street maths) and fun (How many sides does a banana have?). Hundreds of mathematical events, jokes, riddles, puzzles, investigations and experiments prove it!