What animal would you be if a few of your teeth grew so long that they stuck out of your mouth even when it was closed? What would you be if your top canine teeth grew almost all the way down to your feet? This picture book will keep you guessing as you read about how human teeth are like—and unlike—those of other animals.

    Battered by asteroid collisions, ice ages, and shifting tectonic plates, our fledgling planet finally pushed forth continents. But if you think the earth has calmed down since then—think again! Geological activity continues to sculpt the earth’s landscape, sometimes with terrible consequences for its inhabitants: earthquakes, volcanoes, and tsunamis.In this one-of-a-kind, wild, but true history of Earth, the Sibert Honor medalist Don Brown takes on big concepts with humor and ease.

    New York City in the 1860s was a mess: crowded, disgusting, filled with garbage. You see, way back in 1860, there were no subways, just cobblestone streets. That is, until Alfred Ely Beach had the idea for a fan-powered train that would travel underground. On February 26, 1870, after fifty-eight days of drilling and painting and plastering, Beach unveiled his masterpiece—and throngs of visitors took turns swooshing down the track. The Secret Subway will wow readers, just as Beach’s underground train wowed riders over a century ago.

    Huge numbers are hard to comprehend. This book explains quantities in terms children can understand. For example, one million dollars could buy two full pizzas a day for more than sixty-eight years.

    professor Penny Chisholm to present the fascinating, timely story of fossil fuels.What are fossil fuels, and how did they come to exist? This engaging, stunning book explains how coal, oil, and gas are really "buried sunlight," trapped beneath the surface of our planet for millions and millions of years.Now, in a very short time, we are digging them up and burning them, changing the carbon balance of our planet's air and water. What does this mean, and what should we do about it?Using simple language and breathtaking paintings, Bang and Chisholm present a clear, concise explanation of the fossil-fuel energy cycle that began with the sun and now runs most of our transportation and energy use in our world.Readers will be mesmerized by this engaging fourth book in the award-winning Sunlight Series by Bang and Chisholm.

    Here, in clear, compelling prose illustrated with evocative scenes, extensive diagrams, and historical photos, is the story of the Titanic's rise and fall- from details on her stateof-the-art design and widely varying accommodations to a timeline showing how structural and human failurecontributed to her demise.

    "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.

    Which animal can be found at the top of Mount Everest, 10,000 feet under the sea, and in your backyard? Which animal poops cubes? Which animal can disguise itself as a giant crab? These fascinating facts and hundreds more await curious minds, amateur zoologists, and anyone who has ever laughed at a funny-looking animal.

    . . if you have the nerve!

    

    Can you imagine that many of anything?The playful illustrations from New York Times–bestselling artist Isabel Greenberg and the friendly, straightforward voice of author Seth Fishman illuminate some of the biggest numbers in the universe—a hundred billion trillion stars—and the smallest—one unique and special YOU. Here is a book for story time, for science time, for math time, for bedtime, and all the times in between.Perfect for curious children, classrooms eager for STEM content, and readers who have devoured Ada Twist, Scientist and How Much Is a Million?

    An attractive and informative volume for young stargazers.” —Kirkus Reviews“Manley’s writing swings gracefully between factual descriptions … and more lyrical observations: “All stars twinkle, but some stars also seem to wink at us... as if saying, ‘I know a secret.’ ” … Richly informative prose and intimate yet expansive art show a child’s contagious enthusiasm for the book’s subject. Includes a timeline of astronomical discoveries and suggestions for further reading.” —Publishers WeeklyDo you wonder if humansare the only beingswho wonderif they are alone in the universe?Our sun is a star.In the night sky are all kinds of stars, and orbiting those starsare planets like the ones in our own solar system.Could those planets have lifelike we do on Earth?Planet Earth is not too big, not too small, not too hot, and not too cold. It's just right.Our very own Goldilocks planet . . . .Follow a young girlas she explores these questionsin this gorgeous book about the wondrous searchfor another Goldilocks planet.

    It is the powerful story of four African-American female mathematicians at NASA who helped achieve some of the greatest moments in our space program. Now a major motion picture starring Taraji P. Henson, Octavia Spencer, Janelle Monae, Kirsten Dunst, and Kevin Costner.Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as “human computers” used pencils, slide rules, and adding machines to calculate the numbers that would launch rockets, and astronauts, into space.This book brings to life the stories of Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden, who lived through the Civil Rights era, the Space Race, the Cold War, and the movement for gender equality, and whose work forever changed the face of NASA and the country.

    A full-color chapter book biography that shows how a self-taught scientist was the first to observe the microbial life in and around us. By building his own microscope, Antony van Leeuwenhoek advanced humanity's understanding of our oft-invisible world around us.

    A biography focusing on the childhood of the inventor who patented more than 1,100 inventions in sixty years, among them the electric light and the phonograph.