Ever since the first youngster in history had a pet, cats vs. dogs has been a hotly debated issue at recesses and lunch tables worldwide. Which one's better? Smarter? This reader presents the facts in fun and informative fashion. Kids will love the stimulating Level 3 text as they decide the answer to this question for themselves.National Geographic supports K-12 educators with ELA Common Core Resources.Visit www.natgeoed.org/commoncore for more information.

    Ron Keiper and Dr. Jay Kirkpatrick, who have devoted their professional careers to unraveling the mysteries of wild horses’ DNA and developing a way to vaccinate the Assateague Island, VA herds with the birth control hormone PZP. Follow Dr. Kirkpatrick as he braves extreme island weather, clouds of biting parasites, and endures thousands of watchful hours, as he fights to maintain the precarious balance of Assateague’s ecosystem.      The result of his hard work and unwavering dedication is the first comprehensive research on an American wild horse population’s mating habits and life span. Learn how Dr. Kirkpatrick’s meticulous handwritten notes chart not only the life cycle of his equine subjects, like Voodoo, Comma and Niacin, but how they are also contracts of deep mutual respect, affection and the tenuous bond between people and horses.      Descriptive prose meets solid science as author Kay Frydenborg sheds light on a largely ignored field of study in the world of equine animal science. Revealing, never-before-seen photography offers a rare glimpse into the wild herds of Assateague, as well as the fierce but delicate beauty of their island home.

    After all, Kate grew up among the towering pines and redwoods of Northern California. But after becoming the first woman to graduate from the University of California with a degree in science, she took a job as a teacher far south in the dry desert town of San Diego. Where there were almost no trees.Kate decided that San Diego needed trees more than anything else. So this trailblazing young woman singlehandedly started a massive movement that transformed the town into the green, garden-filled oasis it is today. Now, more than 100 years after Kate first arrived in San Diego, her gorgeous gardens and parks can be found all over the city.Part fascinating biography, part inspirational story, this moving picture book about following your dreams, using your talents, and staying strong in the face of adversity is sure to resonate with readers young and old.

    Follow Jane from her childhood in London watching a robin on her windowsill, to her years in the African forests of Gombe, Tanzania, invited by brilliant scientist Louis Leakey to observe chimps, to her worldwide crusade to save these primates who are now in danger of extinction, and their habitat. Young animal lovers and Winter's many fans will welcome this fascinating and moving portrait of an extraordinary person and the animals to whom she has dedicated her life.The Watcher was named a Best Book of the Year by the Boston Globe, Kirkus Reviews, Booklist, and the Bank Street College of Education.

    He watches as days, seasons, years pass by. His branches are home to owls and choirs of frogs. Beneath his broad canopy, a world grows.This is his story. Through controlled verse and luscious illustration, Tony Johnston and Wendell Minor do justice to the enormous figure of the sequoia tree. A Neal Porter Book

    But scientists started to challenge that idea and in 1859 Charles Darwin, a naturalist and biologist, wrote a famous book called On the Origin of Species that revolutionised the way that we have understood evolution ever since.Now molecular biologist and illustrator Sabina Radeva has recreated Darwin's most famous work as a beautifully illustrated book. The stunning pictures bring the theory of evolution to life for young readers, and anyone who wants to learn about evolution.Pulling together Darwin's observations from his travels around the world and his ground-breaking explanation of how species form, develop, and change over hundreds of thousands of years, On The Origin of Species is as relevant and important now as it ever was.A very important project, most beautifully realised. Sabina Radeva's thoughtful text and gorgeous pictures together tell the story of On The Origin of Species, and of Evolution itself, with clarity, humour and great charm. - Emma Darwin An entrancing picture-book retelling of Darwin's on the Origin of Species ... filled with informative, beautifully designed diagrams and maps. - The Guardian

    But how do seeds get to the perfect place to grow? This exploration of seed dispersal covers a wide range of seeds and the creatures that help them move, from a coconut seed floating on waves to an African grass seed rolled by a dung beetle, to a milkweed seed floating on the wind.

    REX springs out, flashing a startling jawful of jagged teeth. Turn the next spread and a ravishing raptor unfurls and appears to fly off the edge of the page. Inside the amazing ENCYCLOPEDIA PREHISTORICA: DINOSAURS are "shield bearers" in full-body armor, creatures with frilly headgear, and weighty, long-necked giants. There are even amusing tidbits on the history of paleontology itself — like a pop-up version of a Victorian New Year's dinner in the belly of a dinosaur model, or a pair of scientists locked in a literal tug-of-war over bones.Full of fascinating facts and lighthearted good humor, this breathtaking book includes fascinating, up-to-the-minute information about popular dinosaurs as well as many lesser-known varieties. With each of six spreads featuring one spectacular, large pop-up as well as booklets of smaller pop-ups and text, ENCYCLOPEDIA PREHISTORICA: DINOSAURS is a magnificent display of paper engineering and creativity — an astonishing book that will be read, admired, and treasured forever.

    Her owner, a Dutch sea captain, keeps Clara fed (she eats 100 pounds of hay and 30 loaves of bread a day!) and watered (she drinks 14 buckets of water and beer) and takes loving care of her until her death 17 years later.

    So he began planting trees. What began as a small thicket of bamboo, grew over the years into 1,300 acre forest filled with native plants and animals. The Boy Who Grew a Forest tells the inspiring true story of Payeng—and reminds us all of the difference a single person with a big idea can make.

    Eighty percent of the city flooded, in some places under twenty feet of water. Property damages across the Gulf Coast topped $100 billion. One thousand eight hundred and thirty-three people lost their lives. The riveting tale of this historic storm and the drowning of an American city is one of selflessness, heroism, and courage—and also of incompetence, racism, and criminality. Don Brown’s kinetic art and as-it-happens narrative capture both the tragedy and triumph of one of the worst natural disasters in American history. A portion of the proceeds from this book has been donated to Habitat for Humanity New Orleans.

    With delightful poems that beg to be read aloud, and expository text to broaden a reader's horizons, this American alphabet will make you fall in love with the United States over and over again. Bright, beautifully detailed illustrations from California artist Pam Carroll bring each letter to vibrant life, from eagles and Thomas Edison to the veterans of two world wars. Celebrate all that is Americana with A is for America: An American Alphabet. A T as tall as Texas for Thanksgiving and telephone. Harry S. Truman, Harriet Tubman and trips to the Twilight Zone. Times Square on New Year's Eve, a tangy Tootsie Roll. Turning timber into a tall and towering totem pole. Children and adults will delight in finding details of each rhyme on every page. A is for America is a timeless tribute to all we love about the United States.

    "Once you are aware of the wonder and beauty of earth, you will want to learn about it," wrote Rachel Carson, the pioneering environmentalist. She wrote Silent Spring, the book that woke people up to the harmful impact humans were having on our planet.

    Your teeth are sharp. Your front paws are paddles, your back paws are rudders, and you can swim for miles.Your home has always been the sea and the ice.A sea bear, far north in the Arctic, hunts and naps and raises her young. She moves with the ice, swimming, running, stalking seals, resting. She follows the rhythm of the sea and the seasons.But what happens when those rhythms change? What happens when there is no ice?Lindsay Moore shares the story of one polar bear’s journey for survival in this stunning picture book. Imagine.

    George and Small, the Caldecott Medal-winning team who created So You Want to Be President? , are back with another spirited and witty look at history-this time focusing on the inventors and inventions who have given us lightbulbs, automobiles, and all the other things that keep the world humming. So You Want to Be an Inventor? features some of the world's best-known inventors-Thomas Edison, Benjamin Franklin, Eli Whitney-as well as lesser-known geniuses like Georges de Mestral (inventor of Velcro), Wilhelm Roentgen (inventor of X rays), and Hedy Lamarr (inventor of a system that became the basis for satellite communication-who knew?). Whether you're a dreamer or a loner, a copycat or a daredevil, this book might just inspire readers to invent something that could change the world!