They can be big, like a whale, tiny, like a shrimp, and even scary, like a shark.Even though sharks can be scary, we need them to keep the oceans healthy. Unfortunately, due to overfishing, many shark species are in danger of extinction, and that can cause big problems in the oceans and even on land.What would happen if this continued and sharks disappeared completely?Artist Lily Williams explores how the disappearance would affect other animals across the whole planet in this clever book about the importance of keeping sharks, and our oceans, healthy.

    And they did so during a time when being black and a woman limited what they could do. But they worked hard. They persisted. And they used their genius minds to change the world.In this illustrated picture book edition, we explore the story of four female African American mathematicians at NASA, known as "colored computers," and how they overcame gender and racial barriers to succeed in a highly challenging STEM-based career.

    Beloved author-illustrator Aliki’s simple, engaging text and colorful artwork show young readers how they use their senses to smell a rose or play with a puppy. This oversize edition—perfect for sharing in a library or classroom—invites young readers to use each of their five senses to explore the world around them. Both text and artwork were expert-reviewed for accuracy.As Children's Books and Their Creators put it: Aliki "treats complex topics clearly and succinctly while providing lively pictures, with informative details and humorous elements often appearing in 'balloons.'" Aliki's books continue to speak to today's young readers.This is a Level 1 Let’s-Read-and-Find-Out, which means the book explores introductory concepts perfect for children in the primary grades and supports the Common Core Learning Standards and Next Generation Science Standards. 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.

    But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    --Slateengaging and delightfully-illustrated book--The Guardian

    His planet status was stripped away, leaving him lost and confused. Poor Pluto! On his quest to find a place where he belongs, he talks to comets, asteroids, and meteoroids. He doesn't fit it anywhere! But when Pluto is about to give up, he runs into a dwarf planet and finally finds his place in the solar system. This feel-good picture book combines a popular science topic with character education themes of self discovery, acceptance, and friendship. It has bonus material in the back matter to support curriculum.

    Barnum, hoping that he would do something extraordinary--and he did! As a paleonotologist for the American Museum of Natural History, he discovered the first documented skeleton of the Tyrannosaurus Rex, as well as most of the other dinosaurs on display there today.An appealing and fun picture book biography, with zany and stunning illustrations by Boris Kulikov, BARNUM'S BONES captures the spirit of this remarkable man.

    In 1903, President Theodore Roosevelt joined naturalist John Muir on a trip to Yosemite. Camping by themselves in the uncharted woods, the two men saw sights and held discussions that would ultimately lead to the establishment of our National Parks.

    "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.

    Some have fur, some have feathers, some have fins, but all are connected. This fact-filled rhyming exploration of the diversity of the animal kingdom celebrates mammals, birds, insects, fish, reptiles, amphibians, and more! It’s a perfect match for budding naturalists and animal enthusiasts everywhere.

    Over 7,000 years ago Native Americans settled on the Nashua River, a beautiful and leafy valley. But the industrialization of nearby areas would lead to the deterioration of natural habitats. Each double spread examines brief periods of time when the river and surrounding areas teemed with wildlife. Lynne Cherry’s contrasting illustrations of the lush valley and the eventual polluted river deliver an astonishing look at our dramatic need for conservation efforts. This pictorial history of the river, edging towards a hopeful scene of modern-day descendants of both Native Americans and European settlers who come together to combat pollution and restore the beauty of the river, is an intelligent tale that shows young readers how they can do their part in taking care of the world around them, one river at a time.

    Vera Rubin was one of the astronomers who discovered and named dark matter, the thing that keeps the universe hanging together. Throughout her career she was never taken seriously as a scientist because she was one of the only female astronomers at that time, but she didn’t let that stop her. She made groundbreaking and incredibly significant discoveries that scientists have only recently been able to really appreciate—and she changed the way that we look at the universe.

    Meet the environmentally friendly people who now proudly call their home Energy Island.At a time when most countries are producing ever-increasing amounts of CO2, the rather ordinary citizens of Samsø have accomplished something extraordinary--in just ten years they have reduced their carbon emissions by 140% and become almost completely energy independent. A narrative tale and a science book in one, this inspiring true story proves that with a little hard work and a big idea, anyone can make a huge step towards energy conservation.

    When he was older, he hit his sister, frustrated his teachers, and had few friends. But Albert’s strange childhood also included his brilliant capacity for puzzles and problem solving: the mystery of a compass’s swirling needle, the intricacies of Mozart’s music, the secrets of geometry — set his mind spinning with ideas. In fact, Albert Einstein’s ideas were destined to change the way we know and understand the world and our place in the universe. In spare, precise text filled with graceful detail and accompanied by sometimes humorous, sometimes lonely portraits, Don Brown introduces us to the less than magnificent beginnings of an odd boy out. The result is a tender rendering of the adventures of growing up for one of the most important thinkers of the twentieth century.

    Maria Merian was only a child, but she disagreed. She watched carefully as caterpillars spun themselves cocoons, which opened to reveal summer birds, or butterflies and moths. Maria studied the whole life cycle of the summer birds, and documented what she learned in vibrant paintings.This is the story of one young girl who took the time to observe and learn, and in so doing disproved a theory that went all the way back to ancient Greece.