He just liked to collect frogs. Tyrone’s interest in science led him to Harvard University, and though he struggled at first, he found his calling in the research lab of an amphibian scientist.Meanwhile, scientists discovered that all around the globe, frogs were dying. The decline has many causes, including habitat loss and disease. Tyrone discovered that the most commonly used pesticide in the United States, atrazine, may also play a role. Tyrone tested atrazine on frogs in his lab at Berkeley. He found that the chemical caused some of the male frogs to develop into bizarre half-male, half-female frogs. What was going on? That’s what Tyrone wants to find out.

    Amazing images show the beauty and otherworldliness of spiders. Simple, engaging text conveys basic information about spiders as well as cool and quirky facts. One stop-action montage shows a spider leaping twenty times its body length!

    Three picture-packed gatefolds inside showcase even more familiar and exotic species. These images are part of Sartore's lifelong project to photograph every animal in the world, with special attention given to disappearing and endangered species.

    R. R. Tolkien.John Ronald loved dragons. He liked to imagine dragons when he was alone, and with his friends, and especially when life got hard or sad. After his mother died and he had to live with a cold-hearted aunt, he looked for dragons. He searched for them at his boarding school. And when he fought in a Great War, he felt as if terrible, destructive dragons were everywhere. But he never actually found one, until one day, when he was a grown man but still very much a boy at heart, when he decided to create one of his own. John Ronald's Dragons, a picture book biography by Caroline McAlister and illustrated by Eliza Wheeler, introduces the beloved creator of Middle Earth and author of The Hobbit and The Lord of the Rings to a new generation of children who see magic in the world around them.

    She didn't know that young women had to go to work, that they traded an education for long hours of labor, that she was expected to grow up fast. But that did not stop Clara. She went to night school, spent hours studying English, and helped support her family by sewing in a factory. Clara never quit. And she never accepted that girls should be treated poorly and paid little. So Clara fought back. Fed up with the mistreatment of her fellow laborers, Clara led the largest walkout of women workers in the country's history. Clara had learned a lot from her short time in America. She learned that everyone deserved a fair chance. That you had to stand together and fight for what you wanted. And, most importantly, that you could do anything you put your mind to.“In her simple but powerful text Markel shows how multiple arrests, serious physical attacks, and endless misogyny failed to deter this remarkable woman as she set off on her lifelong path as a union activist.” --The Horn Book

    This is a clear, vivid text with charts and maps showing the positions of the constellations the year round.

    This stampede of wild animals, from Chinese Alligator to Grevy's Zebra, are so rare, they're all endangered. David McLiman's bold and playful illustrations transform each letter into a work of art, graphically rendered with animal characteristics. Scales, horns, even insect wings transform the alphabet into animated life.Once you take this eye-opening safari, you'll never look at letters or animals with the same way again. A striking work of art and a zoological adventure, Gone Wild is sure to be loved by children and adults alike.

    Some are remarkable for their age and stature; others for their usefulness. A bristlecone pine tree in California has outlived man by almost 4,000 years; a baobab tree in Australia served as a prison for Aboriginal prisoners at the turn of the twentieth century; and a major oak in England was used as a hiding place for Robin Hood and his men (or so the story goes…). The fourteen trees in this book have earned the title “Celebritrees” for their global fame and significance. Both in fact and in legend, these fascinating trees remind us not only how much pleasure trees bring, but what they can tell us about history.

    Kids are invited to find out where worms live, see how they move, and understand why gardeners consider them friends with the help of this humorous and informative look at an unappreciated — and fascinating — creature.

    Fractals can also be quantified mathematically. Here is an elegant introduction to fractals through examples that can be seen in parks, rivers, and our very own backyards. Readers will be fascinated to learn that broccoli florets are fractals—just like mountain ranges, river systems, and trees—and will share in the wonder of math as it is reflected in the world around us. Perfect for any elementary school classroom or library, Mysterious Patterns is an exciting interdisciplinary introduction to repeating patterns.

    . . to play! Follow the otters through the seasons as they chase one another, slide down a mudbank, jump in a pile of leaves, and learn to swim. Even while catching fish for their dinner or grooming themselves in the snow, otters love to play — and Jonathan London’s lively text and Meilo So’s fluid watercolors invite you to share in the joy.

    From tiny aquatic plants to the biggest whale or fish, Bang presents a moving, living picture of the miraculous balance sustaining each life cycle and food chain deep within our wondrous oceans.On land or in the deep blue sea, we are all connected--and we are all a part of a grand living landscape. Co-authored by award-winning M.I.T. professor Penny Chisholm, a leading expert on ocean science, OCEAN SUNLIGHT is packed with clear, simple science. This informative, joyous book will help children understand and celebrate the astonishing role our oceans play in human life.

     Consent is like being ruler of your own country...population: YOU. This is a smart, playful guide to consent and bodily autonomy, packed with bright and energetic illustrations. Readers will learn about boundaries and how to set them; ways to respect themselves and others; what to do if someone makes them feel uncomfortable or unsafe; and much more. Along the way, they'll be encouraged to reflect on (and improve!) their own behavior and to practice consent in their daily lives. Whether you're looking for a consent primer to share with a friend or searching for a way to talk to your child about what it means to be in control of their own body and respect others', look no further! This humorous and insightful book from the co-creator of the viral "Tea Consent" video is the perfect teaching tool, conversation starter, and insightful, empowering resource for educators, kids, and families everywhere.

    And when she meets Mr. Big—another pygmy marmoset—she has finally found a friend who likes to eat, climb, and play as much as she does.

    A man had died of bubonic plague, one of the world’s deadliest diseases. But how could that be possible? Bubonic Panic tells the true story of America’s first plague epidemic—the public health doctors who desperately fought to end it, the political leaders who tried to keep it hidden, and the brave scientists who uncovered the plague’s secrets. Once again, acclaimed author and scientific expert Gail Jarrow brings the history of a medical mystery to life in vivid and exciting detail for young readers. This title includes photographs and drawings, a glossary, a timeline, further resources, an author’s note, and source notes.