Strong back matter empowers readers to learn about the history of timekeeping and time zones, and to explore where each of the characters lives on the world map. A distinctive educational tool, this picture book's warm, unique illustrations also make it a joy to read aloud and admire.

    One hundred years later, they continue to have adventures, do good deeds, and make a difference!

    Using the insights of great mathematicians and endlessly observing the sky, he succeeded in confirming two things that altered human life forever: that there are more galaxies than our own, and that the universe is always expanding. Hubble’s message to us is to find peace in the vastness of the mystery surrounding us, and to be curious. “We do now know why we are born into the world,” he said, “but we can try to find out what sort of world it is.”

    Some women could be teachers or seamstresses, but career options were few. Certainly no women were doctors. But Elizabeth refused to accept the common beliefs that women weren’t smart enough to be doctors, or that they were too weak for such hard work. And she would not take no for an answer. Although she faced much opposition, she worked hard and finally—when she graduated from medical school and went on to have a brilliant career—proved her detractors wrong. This inspiring story of the first female doctor shows how one strong-willed woman opened the doors for all the female doctors to come.

    Here is the incredible story of Elizabeth, a real-life elephant seal who made her home in the Avon River in the city of Christchurch, New Zealand. When Elizabeth decides to stretch out across a two-lane road, the citizens worry she might get hurt or cause traffic accidents, so a group of volunteers tows her out to sea. But Elizabeth swims all the way back to Christchurch. The volunteers catch her again and again—each time towing her farther, even hundreds of miles away—but, still, Elizabeth finds her way back home. Includes back matter with information about elephant seals.From the Hardcover edition.

    When a professor discovered that the homework sent to him under a male pen name came from a woman...nothing stopped Sophie. And when she tackled a math problem that male scholars said would be impossible to solve...still, nothing stopped Sophie.For six years Sophie Germain used her love of math and her undeniable determination to test equations that would predict patterns of vibrations. She eventually became the first woman to win a grand prize from France's prestigious Academy of Sciences for her formula, which laid the groundwork for much of modern architecture (and can be seen in the book's illustrations).Award-winning author Cheryl Bardoe's inspiring and poetic text is brought to life by acclaimed artist Barbara McClintock's intricate pen-and-ink, watercolor, and collage illustrations in this true story about a woman who let nothing stop her.

    She is small. Very small. In fact so small that you'd need to look through a microscope to see her. Or you can simply open this book and take Min on an adventure to amazing places she's never seen before—like the icy glaciers of your tooth or the twisted, tangled jungle that is your shirt. The perfect book for anyone who wants to take a closer look at the world.

    Frogs are astonishing in their variety and crucial to ecosystems. Onomatopoeic text and stunning illustrations introduce young readers to these fascinating and important creatures, from Chile to Nepal to Australia.

    Is there enough time? You have 3 shirts and 2 pairs of pants. Can you make 1 good outfit? Then you start to wonder: Why does everything have to be such a problem? Why do 2 apples always have to be added to 5 oranges? Why do 4 kids always have to divide 12 marbles? Why can't you just keep 10 cookies without someone taking 3 away? Why? Because you're the victim of a Math Curse. That's why. But don't despair. This is one girl's story of how that curse can be broken.

    But these and many other animals are in danger of disappearing altogether, joining the dodo, the marsupial wolf, the great auk, and countless other animals we will never see again. Using the experiences of a few endangered species as examples, Martin Jenkins highlights the ways human behavior can either threaten or conserve the amazing animals that share our planet. Vicky White’s stunning portraits of rare creatures offer a glimpse of nature’s grace and beauty — and give us a powerful reason to preserve it.

    Water can be a Thirst quencher Kid drencher Cloud fluffer Fire snuffer Find out about the many roles water plays in this poetic exploration of water throughout the year.

    From its opening pages, the book suggests that we are intimately connected to the natural world; it compares the way we learn to speak to the way baby birds learn to sing, and the growth of human bodies to the growth of forests. Award-winning author Elin Kelsey — along with a number of concerned parents and educators around the world — believes children are losing touch with nature. This innovative picture book aims to reintroduce children to their innate relationship with the world around them by sharing many of the surprising ways that we are all connected to the natural world.Grounded in current science, this extraordinary picture book provides opportunities for children to use their imaginations and wonder about some big ideas. Soyeon Kim’s incredible diorama art enhances the poetic text, and her creative process is explored in full on the reverse side of the book’s jacket, which features comments from the artist. Young readers will want to pore over each page of this book, exploring the detailed artwork and pondering the message of the text, excited to find out just how connected to the Earth they really are.

    So what’s the big deal about them? Well, every head of every person you’ve ever seen has a skull inside. And that includes YOU!

    Packs shows how togetherness and teamwork help many creatures thrive.Groups, packs, herds of millions, and more–our world teems with animals on land, air, and sea.  Packs is an inspiring celebration of how togetherness helps many creatures thrive, in both nonhuman and human communities.   Hannah Salyer’s stunning selection reminds us that teamwork is universal, there is brilliance in biodiversity, and there is strength in numbers. Includes an author’s note encouraging community engagement and activism, as well as a fun visual index of the animals featured.

    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.