Their creations are some of the most enduring (the windshield wiper) and best loved (the chocolate chip cookie). What inspired these women, and just how did they turn their ideas into realities?Features women inventors Ruth Wakefield, Mary Anderson, Stephanie Kwolek, Bette Nesmith Graham, Patsy O. Sherman, Ann Moore, Grace Murray Hopper, Margaret E. Knight, Jeanne Lee Crews, and Valerie L. Thomas, as well as young inventors ten-year-old Becky Schroeder and eleven-year-old Alexia Abernathy. Illustrated in vibrant collage by Caldecott Honor artist Melissa Sweet.

    In 1936 she began work with the Bureau of Fisheries and soon after published Under the Sea Wind, her first of many nature books. Her 1962 bestseller, Silent Spring, sent shockwaves through the country and warned of the dangers of DDT and other pesticides. A pioneering environmentalist, Rachel Carson helped awaken the global consciousness for conservation and preservation.

    But have you ever heard of a butterfly farm? How do you raise a butterfly? On a farm in Costa Rica, workers care for these delicate, winged creatures as they change from eggs to caterpillars to pupae. Like any other crop, the butterflies will eventually leave the farm. But where will they go? And just how do you ship a butterfly? Very carefully! To discover how it works, follow these butterflies on a remarkable journey!

    The nation's capital and the largest city in North America is devastated by an apparently incurable disease, cause unknown . . .Jim Murphy describes the illness known as yellow fever and the toll it took on the city's residents, relating the epidemic to the major social and political events of the day and to 18th-century medical beliefs and practices. Drawing on first-hand accounts, Murphy spotlights the heroic role of Philadelphia's free blacks in combating the disease, and the Constitutional crisis that President Washington faced when he was forced to leave the city--and all his papers--while escaping the deadly contagion. The search for the fever's causes and cure, not found for more than a century afterward, provides a suspenseful counterpoint to this riveting true story of a city under siege.

    So at age twenty-six, off she went to Africa! Goodall's up-close observations of chimpanzees changed what we know about them and paved the way for many female scientists who came after her. Now her story comes to life in this biography with black-and-white illustrations throughout.

    Follow a father and daughter as they make their way through the cavernous wonder, discovering life both present and past. Weave in and out of time as perfectly placed die cuts show you that a fossil today was a creature much long ago, perhaps in a completely different environment. Complete with a spectacular double gatefold, an intricate map and extensive back matter.

    William began to explore science books in his village library, looking for a solution. There, he came up with the idea that would change his family's life forever: he could build a windmill. Made out of scrap metal and old bicycle parts, William's windmill brought electricity to his home and helped his family pump the water they needed to farm the land. Retold for a younger audience, this exciting memoir shows how, even in a desperate situation, one boy's brilliant idea can light up the world. Complete with photographs, illustrations, and an epilogue that will bring readers up to date on William's story, this is the perfect edition to read and share with the whole family.

    An introduction to the life and career of the ichthyologist whose interest in fish began at the age of nine during weekly trips to the Aquarium in New York City.

    When did the dinosaurs live? What other animals lived at that time? Which dinosaur was biggest? How do we know about dinosaurs? Find out the answers to these questions and more as Jack and Annie track the facts. Filled with up-to-date information, photos, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discovered in their favorite Magic Tree House adventures.From the Trade Paperback edition.

    Almost anything you do on paper or canvas, you can do on a rock. Rock Art Handbook will show you how, with more than 30 step-by-step tutorials featuring dot painting, marbling, embellishments, and much more. It's the perfect opportunity to use your favorite craft supplies, from nail polish to puff paint to gelly roll pens, or to try something new. There are plenty of kid-friendly options--like chalk, washi tape, and glitter glue--too. And what do you do with the rocks when they're finished? Author Samantha Sarles, who blogs at ColorMadeHappy.com, has plenty of ideas!

    So no one was prepared when the nearby volcano Mount Vesuvius suddenly erupted, spouting ash that buried the city and its inhabitants. The disaster left thousands dead, and Pompeii was no more than a memory for almost 1,700 years. In 1748, explorers rediscovered the port city with intact buildings and beautiful mosaics. This easy-to-read account is gripping and includes photos of the ruins.

    But what happens when construction spreads over, under, across, and through animal habitats? Thankfully, groups of concerned citizens, scientists, engineers, and construction crews have come together to create wildlife crossings to help keep animals safe. From elk traversing a wildlife bridge across a Canadian interstate to titi monkeys using rope bridges over a Costa Rican road to salamanders creeping through tiny tunnels beneath a Massachusetts street, young readers are certain to be delighted and inspired by these ingenious solutions that are saving the lives of countless wild animals.

    Jazz Jennings insisted, as a transgirl, on playing soccer with the girls' team. From Viridiana Sanchez Santos's quinceañera demonstration against anti-immigrant policy to Zach Wahls's moving declaration that his two moms and he were a family like any other, No Voice Too Small celebrates the young people who know how to be the change they seek. Fourteen poems honor these young activists. Featuring poems by Lesléa Newman, Traci Sorell, and Nikki Grimes. Additional text goes into detail about each youth activist's life and how readers can get involved.

    These three ground-breaking researchers were all students of the great Louis Leakey, and each made profound contributions to primatology—and to our own understanding of ourselves.Tackling Goodall, Fossey, and Galdikas in turn, and covering the highlights of their respective careers, Primates is an accessible, entertaining, and informative look at the field of primatology and at the lives of three of the most remarkable women scientists of the twentieth century. Thanks to the charming and inviting illustrations by Maris Wicks, this is a nonfiction graphic novel with broad appeal.

    A biography of the modest Frenchman who, after being blinded at the age of three, went on to develop a system of raised dots on paper that enabled blind people to read and write.