When did the dinosaurs live? What other animals lived at that time? Which dinosaur was biggest? How do we know about dinosaurs? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures.From the Trade Paperback edition.

    But having a unique family comes in handy sometimes, like when his sea-serpent cousin takes Danny and his best iguana friend on a mindboggling underwater tour, complete with vomiting sea cucumbers and giant squid. It sure beats reading the encyclopedia to research his ocean report . . .Using a hybrid of comic-book panels and text, Ursula Vernon introduces an irresistible set of characters with a penchant for getting themselves into sticky situations. It's perfect for both the classroom and fans of Wimpy Kid and Bad Kitty.

    Cosmic’s class of clever monsters at the Mad Scientist Academy as they solve the greatest challenges in science, in this perfect blend of adventure and exploration—it’s the Magic School Bus for a new generation. Welcome to Mad Scientist Academy! The first day of school is always exciting, and Dr. Cosmic’s new students can’t wait to get started. After their teacher reveals that their school pet, Oscar, is a dinosaur, they quickly realize Dr. Cosmic has an unusual teaching style. To find Oscar, the class has to follow the clues through the realistic dinosaur exhibit Dr. Cosmic designed and built over the summer. But when a malfunction causes the robotic dinosaurs to come alive, this prehistoric exhibit feels a little too real! With a mad genius for a teacher, things don’t always go as planned. Armed with high-tech handbooks and the scientific method, Dr. Cosmic’s class is ready to solve their way out of any disaster.

    We can't see air moving, though we can watch it push clouds across the sky, or shake the leaves of a tree. We call moving air the wind. In this enlarged edition, find out about the wind - what causes it, how it can be used to help us, and how it affects the weather.

    Written in graphic-novel format.

    In true National Geographic style, this book excites young people about their world and everything in it, so it's no surprise that the 2012 edition landed at #3 on the New York Times best seller list! The 2014 Almanac features fun information, browsable features, and helpful reference on subjects including technology, countries, presidents, animals, weather, funny roadside attractions, outer space, green tips, and natural disasters, just for starters. Chapters include Amazing Animals, Going Green, Geography Rocks, Super Science, Wonders of Nature, Awesome Adventure, Culture Connection, History Happens, and an interactive Fun and Games chapter. Exciting changes for 2014 include:  • Forty percent NEW content, including photos and articles  • Mobile media features in every chapter that readers can download to an iPod Touch or smart phone, including National Geographic animal videos, photo galleries, and interactive games • A brand new special section on cute animals • A fully revamped continents of the world section • A special Fun and Games chapter featuring all-new jokes, games, and comics, featuring funny animal photos and colorful illustrations • A fully updated "Your World" section, which opens the Almanac, will include all-new, up-to-the-moment content • All-new fun facts, activities, games, and crafts • More than 500 photographs, including incredible gorgeous new photo spreads featuring animals, adventure, nature, and more  • 8 Homework Help sections • All facts, figures, and reference material will be updated • And much more...

    It melts into water and then vanishes! The ice cube changes from solid to liquid to gas. . . . Read on to find out more about the three states of matter.

    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.

    Includes a poster of Theodore Gray's iconic photographic periodic table of the elements! Based on seven years of research and photography by Theodore Gray and Nick Mann, The Elements presents the most complete and visually arresting representation available to the naked eye of every atom in the universe. Organized sequentially by atomic number, every element is represented by a big beautiful photograph that most closely represents it in its purest form. Several additional photographs show each element in slightly altered forms or as used in various practical ways. Also included are fascinating stories of the elements, as well as data on the properties of each, including atomic number, atomic symbol, atomic weight, density, atomic radius, as well as scales for electron filling order, state of matter, and an atomic emission spectrum. This of solid science and stunning artistic photographs is the perfect gift book for every sentient creature in the universe.

    Dissecting everything from tractors and pigs to fences, hay bales, crop rotation patterns, and farm tools, Rothman gives a richly entertaining tour of the quirky details of country life. From the shapes of squash varieties to the parts of a goat; from how a barn is constructed to what makes up a beehive, every corner of the barnyard is uncovered and celebrated. A perfect gift for gardeners, locavores, homesteaders, and country-living enthusiasts alike.

    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!

    Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.

    During their "classroom" chats, she not only teaches Peter about Arctic Hare and Antelope Jack but also tells him about such creatures as Flying Squirrel, Mountain Beaver, Pocket Gopher, Grasshopper Mouse, Silvery Bat, Mule Deer, and Grizzly Bear.Told with all the warmth and whimsy of Burgess's stories, this engaging book acquaints youngsters with many forms of wildlife and the animals' relationships with one another. The charming collection of entertaining tales is sure to transport today's young readers to the same captivating world of nature that delighted generations of children before them.

    Tom knows that there is only one thing to do: Zap the fish with a battery and bring him back to life! But there's something weird about the new Frankie. He's now a BIG FAT ZOMBIE GOLDFISH with hypnotic powers . . . and he's out for revenge!

    Full-color illustrations.