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.

    This is a wonderful collection of all things that make being young, or young at heart, fun. Audio includes: Questions About the World, How to Play Stickball, The Rules of Soccer, Fishing, Famous Battles, Extraordinary Stories, Girls, First Aid, The Seven Wonders of the Ancient World, Seven Modern Wonders of the World The perfect book for every boy from eight to eighty.

    Maris Wicks is a biology nerd, and by the time you've read this book, you will be too! Harnessing her passion for science (and her background as a science educator for elementary and middle-school students), she has created a comics-format introduction to the human body that will make an expert of any reader -- young or old!

    A publishing event!"If you decide to go to the moon," writes Faith McNulty, "read this book first. It will tell you how to get there and what to do after you land. The most important part tells you how to get home.Written in the second person, the text allows the reader to participate in every aspect of the journey, from packing ("don't forget your diary and plenty of food") to liftoff (at first you'll feel heavy; don't worry") to traveling through space (where "the moon glows like a pearl in the black, black sky"). The reader lands at the Sea of Tranquility, the site of the first lunar landing.

    Learn how space probes photograph planets, what causes a meteor shower, what makes Mars red, why the Sun shines, where the Moon came from, how the first telescopes worked, the stages in the life of a star, and more.

    Frizzle's class is on its way to a pool - a tide pool. The kids spot everything from seaweed to seashells. But then they run into some real crabs. It's time for a crash lesson in tide pool life, and the kids find out quick that it can be a real rush.Climb on the Magic School Bus and learn about the tides and hermit crabs and much, much more.

    Soon, it disappears into a hard shell called a chrysalis. Where did it go? This is a perfect beginner's guide to the mystery of metamorphosis.Named as a NSTA/CBC Outstanding Science Trade Books for Children, this book explains the life cycle from caterpillar to butterfly with easy-to-follow prose from Deborah Heiligman and warm, colorful illustrations from Bari Weissman.This is a Stage 1 Let's-Read-and-Find-Out, which means the book explains simple science concepts for preschoolers and kindergarteners. Let's-Read-And-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.Supports the Common Core Learning Standards and Next Generation Science Standards

    Full of striking, singular art, this collection also contains infographics about relevant topics such as lab equipment, rates of women currently working in STEM fields, and an illustrated scientific glossary. The women profiled include well-known figures like primatologist Jane Goodall, as well as lesser-known pioneers such as Katherine Johnson, the African-American physicist and mathematician who calculated the trajectory of the 1969 Apollo 11 mission to the moon.

    With tips, how-to's, letters from girls, and facts from the experts, here's straightforward advice you can really use.

    If you had a beaver's, you'd have orange teeth! And if you had a naked mole rat's set of teeth, you could move each one separately, like chopsticks! The animal kingdom has lots of cool teeth, but yours are pretty awesome, too!

    "Both informative and blunt, the book provides young readers with solid facts as well as plenty to snicker about, including sage advice ('Don't hold them in--pass that gas!)."--"Publishers Weekly." Full color.

    . . and almost as many ways to measure them!Marvelosissimo the Mathematical Magician is back -- and ready to explore the invention of length, weight, and volume measurements. After that, with another wave of his wand, the wizard introduces the world of metrics and makes it easy to understand the basic pattern of meters, liters, and grams. With Steven Kellogg's playful and delightfully detailed illustrations, measuring has never been such a blast!

    If you have only just begun to discover why someone with Asperger's syndrome is different, this book will inform and entertain you. The descriptions provide an accurate balance between the qualities and difficulties associated with Asperger's syndrome, while the photographs will make the journey of discovery enjoyable and remarkable.'- Tony Attwood, author of Asperger's Syndrome and The Complete Guide to Asperger's Syndrome

    In order to present this complicated subject in an accurate and entertaining way, he put in years of research. He sat in on anatomy classes, dissections, and even reached inside the rib cages of two cadavers to compare their spleen sizes. He observed numerous surgeries, including a ten-hour procedure where a diseased pancreas was removed, as well as one where a worn-out old knee was replaced by a brand new one. This hands-on investigation gives Macaulay a unique perspective to lead his readers on a visual journey through the workings of the human body.The seven sections within the book take us from the cells that form our foundation to the individual systems they build. Each beautifully illustrated spread details different aspects of our complex structure, explaining the function of each and offering up-close glimpses, unique cross-sections and perspectives, and even a little humor along the way.This one-of-a-kind book can serve as a reference for children, families, teachers, and anyone who has questions about how his or her body works. When readers see how David Macaulay builds a body and explains the way it works, they will come away with a new appreciation of the amazing world inside them.

    Frizzle's class is growing a beautiful garden. But, Phoebe's plot is empty. Her flowers are back at her old school! So, the class climbs aboard the Magic School Bus. And, of course, the kids don't only go back to Phoebe's school, but they go inside one of Phoebe's flowers! Follow the kids' adventure and learn how living things grow.