Here are 12 "hypotheses," as well as lists of "what you need," "what to do," and "what happened" that are sure to make young readers laugh out loud as they learn how to conduct science experiments (really!). Jenny Offill and Nancy Carpenter—the ingenious pair that brought you 17 Things I'm Not Allowed to Do Anymore—have outdone themselves in this brilliant and outrageously funny book.

    These giant jungle cats can climb trees, swim, and run in sprints up to 32 mph--making them a predatory nightmare. Ranging from the warm climates of Southeast Asia to the frozen tundra of western Russia, these solitary hunters will devour whatever animal they catch. In this level 2 reader you'll learn all you ever wanted to know about tigers and so much more. Complete with fascinating facts, beautiful images, NGR Tigers can't miss.National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.

    Some are strong. Some are slippery.Some are loud.And some, like the elephant, are BIG.The elephant has become synonymous with the image of African wildlife. They can grow over 10 feet tall and eat up to 300 pounds a day. While these giants are beloved figures in movies and zoos, they also play a large role in keeping the forest ecosystem healthy.Unfortunately, poachers are hunting elephants rapidly to extinction for their ivory tusks, and that could be catastrophic to the world as we know it.

    This stunning guide to the international sport of soccer features full-color photographs of players in action, soccer uniforms, equipment and memorabilia present a unique picture of the game and the people who play it.

    In the endless black of the deepest caves, blind fish find their way. Even in the frozen hearts of glaciers, ice worms by the billion flourish. In this fascinating look at fourteen animals who defy the odds by thriving in Earth's most dangerous places, renowned poet Marilyn Singer and celebrated artist Ed Young show that of all the miracles of life, it is life's persistence that astounds the most.

    WHAT WAS THAT? That’s the roaring burp of a bullfrog! SEE THAT? That’s the slick, shiny skin of colorful little rainforest frogs! Alive with froggy facts, this book has the coolest photos to bring kids deep into the swampy world of our amphibian amigos.National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.

    Seuss' famous Cat in the Hat explains to young readers all the different ways to stay healthy.

    After Charles Darwin discovered the frog in 1834, other researchers found that one of his specimens was packed full of tadpoles. Was the frog a cannibal, or perhaps a rare species that gave birth to live young instead of laying eggs? No. He was a male, holding the tadpoles safe in his vocal sac while they morphed into froglets. Andthe surprises didn't stop there. Author and frog scientist Marty Crump mines her firsthand experiences studying Darwin's frog to tell the fascinating story for young readers. Award-winning illustrators Steve Jenkins and Edel Rodriguez lend their art to a mix of beautiful photographs. Young readers will be enthralled by this story of real science, full of strange surprises.

    . . John [Hancock], Paul [Revere], George [Washington], and Ben [Franklin]. Oh yes, there was also Tom [Jefferson], but he was annoyingly independent and hardly ever around. These lads were always getting into trouble for one reason or another. In other words, they took a few . . . liberties. And to be honest, they were not always appreciated. Until one day, they all played a part in securing America's freedom."Deftly drawn, witty, and instantly appealing, the illustrations creatively blend period elements such as wood-grain and crackle-glaze texturing, woodcut lines, and formal compositions typical of the era, with gaping mouths and stylized, spiraling eyes typical of modern cartoons," wrote Booklist, and School Library Journal declared, "Exercise your freedom to scoop up this one."

    You Wouldn't Want to... revels in the darker side of life in ancient times. The reader is on center stage as he or she gets a tour through life as a slave, warrior, explorer -- even a mummy! Hilarious illustrations, captions, and sidebars leave no doubt that you simply wouldn't want to be there.

    Cubs are raised together in a protected setting—dubbed panda kindergarten—where they grow strong and learn skills that will help prepare them to be released into the wild when they are older. With spare text by veteran nonfiction writer Joanne Ryder and irresistible full-color photographs by Katherine Feng, whose work has appeared in National Geographic, Panda Kindergarten will delight young readers as they learn more about these amazing creatures.Supports the Common Core State Standards

    You will meet the key delegates and find out what is going on.

    In August 2006, the International Astronomical Union redefined the word "planet" and relegated Pluto to the status of a dwarf planet, along with Ceres and Eris. Naturally, National Geographic is there to map out this new view of our solar system. In 11 Planets, David Aguilar, an expert who works on the leading edge of this astounding shift, explains and explores our new galactic knowledge. Using spectacular computer artwork, exclusive to National Geographic, and simple engaging text, this colorful book profiles all 11 planets in our newly categorized solar system: terrestrial Mercury, Venus, Earth, and Mars; gas giants Jupiter, Saturn, Uranus, and Neptune; and dwarf planets Pluto, Ceres, and Eris. The author of the hugely popular Planets, Stars, and Galaxies now leads young minds through into this exciting new view of space, giving readers a vivid "you are there" sensation through his photorealistic artwork. David Aguilar’s 11 Planets is a simple yet compelling introduction to the solar system as it is now classified. This beautiful volume also includes informative spreads on: The Sun Earth’s moon Mars’ moons, Phobos and Diemos Ceres, one of the new dwarf planets The Asteroid Belt Pluto and its moon, Charon Sedna and Eggland, two large Kuiper Belt objects Saturn's rings and moons Comets and the Oort Cloud Other new worlds now being discovered This engaging volume also includes fun activities for young readers. Aguilar’s text presents the latest discoveries in space to young imaginations in a compelling and scientifically accurate way, encouraging understanding of mankind’s new view of our solar system. This is the volume that every library needs; and the book that every child should have access to as the ultimate reference for the new age in space.

    You’ll fall in love with bad-boy Mateo, ooh and ahh over baby Biscuit, and want to wrap your arms around champion cuddle buddy Ubu!From British filmmaker and sloth expert Lucy Cooke comes a hilarious, heart-melting photographic picture book starring the laziest—and one of the cutest—animals on the planet.

    Describes the archaeological discovery of thousands of life-sized terracotta warrior statues in northern China in 1974, and discusses the emperor who had them created and placed near his tomb.