A rat-a-tat speaker, Melvil was a persistent (and noisy) advocate for free public libraries. And while he made enemies along the way as he pushed for changes--like his battle to establish the first library school with women as students, through it all he was EFFICIENT, INVENTIVE, and often ANNOYING as he made big changes in the world of public libraries--changes still found in the libraries of today!

    

    But in private, she was something more: a brilliant inventor. And for many years only her closest friends knew her secret. The story of how, during World War Two, Lamarr developed a groundbreaking communications system that still remains essential to the security of today’s technology.

    A case of polio had left her with a limp and sympathetic to those less fortunate. Traveling across the United States, documenting with her camera and her fieldbook those most affected by the stock market crash, she found the face of the Great Depression. In this picture book biography, Carole Boston Weatherford with her lyrical prose captures the spirit of the influential photographer.

    Martina Navratilova and Chris Evert come from completely different places and play tennis in completely different ways. Chrissie is the all-American girl: practiced, poised, with perfect technique. Martina hails from Czechoslovakia, a Communist country, and her game is ruled by emotion. Everything about them is different, except one thing: they both want to be the best. But as their intense rivalry grows, something else begins to swing into place, and a friendship forms that will outlast all their tennis victories. Phil Bildner and Brett Helquist tell the engaging true story of these two masters of the court as they win title after title and, most importantly, the hearts of the fans."

    She grew up to discover a new firing technique that turned her pots black and shiny, and made them--and Maria--famous. This inspiring story of family and creativity illuminates how Maria's belief in sharing her love of clay brought success and joy from her New Mexico Pueblo to people all across the country.

    . . is just one thing. But if I chop it in two, then chop the half in two, and keep on chopping, I get more and more bits, on and on, endlessly, to an infinity I could never ever reach.In 1887 in India, a boy named Ramanujan is born with a passion for numbers. He sees numbers in the squares of light pricking his thatched roof and in the beasts dancing on the temple tower. He writes mathematics with his finger in the sand, across the pages of his notebooks, and with chalk on the temple floor. "What is small?" he wonders. "What is big?" Head in the clouds, Ramanujan struggles in school -- but his mother knows that her son and his ideas have a purpose. As he grows up, Ramanujan reinvents much of modern mathematics, but where in the world could he find someone to understand what he has conceived?Author Amy Alznauer gently introduces young readers to math concepts while Daniel Miyares's illustrations bring the wonder of Ramanujan's world to life in the inspiring real-life story of a boy who changed mathematics and science forever. Back matter includes a bibliography and an author's note recounting more of Ramanujan's life and accomplishments, as well as the author's father's remarkable discovery of Ramanujan's Lost Notebook.

    Coming of age during the Great Depression, Pete saw poverty and adversity that would forever shape his worldview, but it wasn't until he received his first banjo that he found his way to change the world. It was plucking banjo strings and singing folk songs that showed Pete how music had the incredible power to bring people together.Using this gift throughout his life, Pete encouraged others to rally behind causes that mattered--fighting for Civil Rights, ending the Vietnam War, or cleaning up the Hudson River. For Pete, no challenge was too great, and what started out as a love for music turned into a lifetime of activism and change. His greatest talent--and greatest passion--would become an unforgettable part of American history.

    She needed more room. She had to get out. She had to explore."Exploring was easier said than done in Victorian England. But Isabella persisted, and with each journey, she breathed in new ways to see and describe everything around her. Question by question, word by word, Isabella bloomed. First, out in the English countryside. Then, off to America and Canada. And eventually, around the world, to Africa, Asia, Australia, and more. This dashing picture book biography about the first female member of the Royal Geographic Society takes readers around the world with a daring nineteenth-century female explorer and author. Kristy Caldwell's detailed illustrations illuminate Bird's travels around the world, and Lori Mortensen's back matter, author's note, and bibliography will satisfy the curiosity of readers who want to learn more.

    Vera Rubin was one of the astronomers who discovered and named dark matter, the thing that keeps the universe hanging together. Throughout her career she was never taken seriously as a scientist because she was one of the only female astronomers at that time, but she didn’t let that stop her. She made groundbreaking and incredibly significant discoveries that scientists have only recently been able to really appreciate—and she changed the way that we look at the universe.

    Spring after spring, year after year, she observed how all living things are connected. And as an adult, Rachel watched and listened as the natural world she loved so much began to fall silent. Spring After Spring traces Rachel’s journey as scientist and writer, speaking truth to an often hostile world through her book, and ultimately paving the way for the modern environmental movement.

    So he began planting trees. What began as a small thicket of bamboo, grew over the years into 1,300 acre forest filled with native plants and animals. The Boy Who Grew a Forest tells the inspiring true story of Payeng—and reminds us all of the difference a single person with a big idea can make.

    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.

    Artist. Rule-breaker. The vibrant and daring life of Marianne North.In 1882, Marianne North showed the gray city of London paintings of jaw-dropping greenery like they'd never seen before.As a self-taught artist and scientist, Marianne North subverted Victorian gender roles and advanced the field of botanical illustration. Her technique of painting specimens in their natural environment was groundbreaking. The legendary Charles Darwin was among her many supporters.Laurie Lawlor chronicles North's life, from her restrictive childhood to her wild world travels to the opening of the Marianne North Gallery at Kew Gardens to her death in 1890. The North gallery at Kew Gardens remains open to the public today.

    Wandering through an outdoor market, through the forest, and then by the ocean, Isamu sees things through the eyes of a young artist . . .but also in a way that many children will relate. Stones look like birds. And birds look like stones.