Let Whose Egg? aid the imagination in visualizing everything from emerald green eggs to those that house “scaly claws” and “snapping jaws.” Kids will love opening up the flaps and discovering what type of animal belongs to each egg.

    A Caldecott medalist and a Newbery Honor-winning poet celebrate the beauty and value of spirals.What makes the tiny snail shell so beautiful? Why does that shape occur in nature over and over againbut also celebrate the beauty and usefulness of this fascinating shape.

    Inside this book, families will find fun, mischief-making math problems to tackle—math that isn't just kid-friendly, but actually kid-appealing. With over 100 math riddles on topics from jalapeños and submarines to roller coasters and flamingos, this book bursts with math that looks nothing like school. And with three different levels of challenge (wee ones, little kids, and big kids), there's something for everyone. We can make numbers fun, and change the world, one Bedtime Math puzzle at a time.

    What is creating this revolting smell? The answer is gross: the river is full of poop. But the smell isn’t the worst problem. Every few years, cholera breaks out, and thousands of people die. Could there be a connection between the foul water and the deadly disease? One engineer dreams of making London a cleaner, healthier place. His name is Joseph Bazalgette. His grand plan to create a new sewer system to clean the river is an engineering marvel. And his sewers will save lives. Nothing stinky about that.

    Bob was a studious planner who wanted to grow up to be a doctor. Joe dreamed of making his fortune in show business and loved magic tricks and problem-solving.When an accident left Bob recovering in a darkened basement, the brothers began experimenting with ultraviolet light and fluorescent paints. Together they invented a whole new kind of color, one that glows with an extra-special intensity--Day-Glo.This cover reproduction is not printed with Day-Glo colors. The actual book, however, is printed using three Day-Glo colors: Saturn Yellow, Fire Orange, and Signal Green.

    The camera stops the action and magnifies it so that all the amazing states of water can be observed - water as ice, rainbow, stream, frost, dew. Readers can examine a drop of water as it falls from a faucet, see a drop of water as it splashes on a hard surface, count the points of an actual snowflake, and contemplate how drops of water form clouds.

    Brian Karas present the extraordinary real story of a special gorilla.Captured as a baby, Ivan was brought to a Tacoma, Washington, mall to attract shoppers. Gradually, public pressure built until a better way of life for Ivan was found at Zoo Atlanta. From the Congo to America, and from a local business attraction to a national symbol of animal welfare, Ivan the Shopping Mall Gorilla traveled an astonishing distance in miles and in impact.This is his true story and includes photographs of Ivan in the back matter.

    She knew how many miles it was to the moon (and how many back). She loved studying algebra and geometry and calculus and using math to solve problems in the outside world.Soon math led her to MIT and then to helping NASA put a man on the moon! She handwrote code that would allow the spacecraft’s computer to solve any problems it might encounter. Apollo 8. Apollo 9. Apollo 10. Apollo 11. Without her code, none of those missions could have been completed.Dean Robbins and Lucy Knisley deliver a lovely portrayal of a pioneer in her field who never stopped reaching for the stars.

    Take a bite! Oh boy, bok choy, Brussels sprout. Broccoli! Cauliflower! Shout it out! Know any kids who don't like veggies? Here is a book that's sure to change their hungry minds! With a raucous rhyming text, Rah, Rah Radishes celebrates fresh vegetables, nature's bright colors, and the joy of healthy eating. The book's interactive spirit encourages kids to join in on the read-aloud fun, and little ones won't be able to resist the book's vibrant photographs--they're a feast for the eyes!

    Turns out, trying something new isn't always easy, but sometimes, it's the hardest work that leads to the greatest reward.

    She imagined herself surrounded by billions of stars, floating, gliding, and discovering.She wanted to be an astronaut.Her mom told her, "If you believe it, and work hard for it, anything is possible.”Little Mae’s curiosity, intelligence, and determination, matched with her parents' encouraging words, paved the way for her success at NASA as the first African American woman to travel in space.

    Without enough money for food, let alone school, William spent his days in the library ... and figured out how to bring electricity to his village. Persevering against the odds, William built a functioning windmill out of junkyard scraps, and thus became the local hero who harnessed the wind. Lyrically told and gloriously illustrated, this story will inspire many as it shows how—even in the worst of times—a great idea and a lot of hard work can still rock the world.

    Inspired by an Ig Nobel Prize–winning investigation of how cats behave like liquids, it introduces some of the physical properties of liquids—they adapt to fit a container, they flow like fluids—and is just pure fun. Like its inspiration, it makes you laugh, then think. Back matter includes a brief introduction to the different physical states: solid, liquid, gas.

    “Count Victor Lustig,” moved to Paris hoping to be an artist. A con artist, that is. He used his ingenious scams on unsuspecting marks all over the world, from the Czech Republic, to Atlantic ocean liners, and across America. Tricky Vic pulled off his most daring con in 1925, when he managed to "sell" the Eiffel Tower to one of the city’s most successful scrap metal dealers! Six weeks later, he tried to sell the Eiffel Tower all over again. Vic was never caught. For that particular scam, anyway. . . . Kids will love to read about Vic's thrilling life, and teachers will love the informational sidebars and back matter. Award-winner Greg Pizzoli’s humorous and vibrant graphic style of illustration mark a bold approach to picture book biography.

    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.