Henrietta spent years measuring star positions and sizes from photographs taken by the telescope at the Harvard College Observatory, where she worked. After Henrietta observed that certain stars had a fixed pattern to their changes, her discovery made it possible for astronomers to measure greater and greater distances—leading to our present understanding of the vast size of the universe.An astronomer of her time called Henrietta Leavitt “one of the most important women ever to touch astronomy,” and another close associate said she had the “best mind at the Harvard Observatory.” Henrietta Leaveitt's story will inspire young women and aspiring scientists of all kinds and includes additional information about the solar system and astronomy.

    As an adult, she dives even deeper. Whether she's designing submersibles, swimming with the whales, or taking deep-water walks, Sylvia Earle has dedicated her life to learning more about what she calls "the blue heart of the planet." With stunningly detailed pictures of the wonders of the sea, Life in the Ocean tells the story of Sylvia's growing passion and how her ocean exploration and advocacy have made her known around the world. This picture book biography also includes an informative author's note that will motivate young environmentalists.Life in the Ocean is one of The Washington Post's Best Kids Books of 2012

    It is the powerful story of four African-American female mathematicians at NASA who helped achieve some of the greatest moments in our space program. Now a major motion picture starring Taraji P. Henson, Octavia Spencer, Janelle Monae, Kirsten Dunst, and Kevin Costner.Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as “human computers” used pencils, slide rules, and adding machines to calculate the numbers that would launch rockets, and astronauts, into space.This book brings to life the stories of Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden, who lived through the Civil Rights era, the Space Race, the Cold War, and the movement for gender equality, and whose work forever changed the face of NASA and the country.

    The bestselling biography of Helen Keller and how, with the commitment and lifelong friendship of Anne Sullivan, she learned to talk, read, and eventually graduate from college with honors.

    With rowers who were the sons of loggers, shipyard workers, and farmers, the University of Washington’s eight-oar crew was never expected to defeat the elite East Coast teams, yet they did, going on to shock the world by challenging the German boat rowing for Adolf Hitler.At the center of the tale is Joe Rantz, a teenager without family or prospects, whose personal quest captures the spirit of his generation—the generation that would prove in the coming years that the Nazis could not prevail over American determination and optimism.This deeply emotional yet easily accessible young readers adaptation of the award-winning #1 New York Times bestseller features never-before-seen photographs, highly visual back matter, and an exclusive new introduction.

    All it takes is one:One coral gamete to start a colonyOne person to make a differenceOne idea to change the worldThe ongoing efforts to save and rebuild the world's coral reefs--with hammer and glue, and grafts of newly grown coral--are the living legacy of Ken Nedimyer.Kate Messner and Matthew Forsythe tell the true story of the coral restoration pioneer in this brilliant tribute to the wonders of nature and the power of human ingenuity.

    Temple Grandin—one of the world’s quirkiest science heroes!When young Temple was diagnosed with autism, no one expected her to talk, let alone become one of the most powerful voices in modern science. Yet, the determined visual thinker did just that. Her unique mind allowed her to connect with animals in a special way, helping her invent groundbreaking improvements for farms around the globe!The Girl Who Thought in Pictures: The Story of Dr. Temple Grandin is the first book in a brand new educational series about the inspirational lives of amazing scientists. In addition to the illustrated rhyming tale, you’ll find a complete biography, fun facts, a colorful timeline of events, and even a note from Temple herself!

    It begins when he was a bashful boy who blushed easily, goes on to his early days as king, and finally examines his role in the American Revolution - when Americans ceased to think of him as good King George. Fascinating history made accessible for young readers.

    They've spoken out, risen up and fought for what's right, even when they've been told to be quiet. Whether in science, the arts, sports or activism, women and girls throughout history have been determined to break barriers and change the status quo. They haven't let anyone get in their way and have helped us better understand our world and what's possible. In this book, Chelsea Clinton introduces readers to a group of thirteen incredible women who have shaped history all across the globe.

    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.

    From bestselling nature writer and Newbery Medal winner Jean Craighead George comes an autobiographical story about how wild it can be living in a house full of animal fans.Imagine living with a skunk in your closet, a bat in your refrigerator, and a tarantula in your purse!In this hilarious autobiographical account, Newbery Medal–winning author and acclaimed naturalist Jean Craighead George describes her adventures in a house full of wildlife enthusiasts—and the amazing animals themselves.

    Now, author Gary Paulsen portrays a series of life-altering moments from his turbulent childhood as his own original survival story. If not for his summer escape from a shockingly neglectful Chicago upbringing to a North Woods homestead at age five, there never would have been a Hatchet. Without the encouragement of the librarian who handed him his first book at age thirteen, he may never have become a reader. And without his desperate teenage enlistment in the Army, he would not have discovered his true calling as a storyteller.

    From Amelia Earhart, pilot and adventurer, to Zora Neale Hurston, writer and anthropologist, learn about the hardships and triumphs that inspired each woman to change the world around her. Detailed collages and illustrations draw from various events in the women's lives.

    . . Charles Darwin was, above all else, an independent thinker who continues even now to influence the way we look at the natural world. His endless curiosity and passion for detail resulted in a wealth of notebooks, diaries, correspondence, and published writings that Peter Sís transforms into a visual treasure trove. A multilayered journey through Darwin’s world, The Tree of Life begins with his childhood and traces the arc of his life through university and career, following him around the globe on the voyage of the Beagle, and home to a quiet but momentous life devoted to science and family. Sís uses his own singular vision to create a gloriously detailed panorama of a genius’s trajectory through investigating and understanding the mysteries of nature. In pictures executed in fine pen and ink and lush watercolors – cameo portraits, illustrated pages of diary, cutaway views of the Beagle, as well as charts, maps, and a gatefold spread – Peter Sís has shaped a wondrous introduction to Charles Darwin.

    Adeline's affluent, powerful family considers her bad luck after her mother dies giving birth to her. Life does not get any easier when her father remarries. She and her siblings are subjected to the disdain of her stepmother, while her stepbrother and stepsister are spoiled. Although Adeline wins prizes at school, they are not enough to compensate for what she really yearns for -- the love and understanding of her family.Following the success of the critically acclaimed adult bestseller Falling Leaves, this memoir is a moving telling of the classic Cinderella story, with Adeline Yen Mah providing her own courageous voice.