But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    Her parents separated when she was young, and her mother insisted on a logic-focused education, rejecting Byron’s “mad” love of poetry. But Ada remained fascinated with her father and considered mathematics “poetical science.” Via her friendship with inventor Charles Babbage, she became involved in “programming” his Analytical Engine, a precursor to the computer, thus becoming the world’s first computer programmer. This picture book biography of Ada Lovelace is a portrait of a woman who saw the potential for numbers to make art.

    She couldn't become a politician. She couldn't even vote. But Elizabeth Cady Stanton didn't let that stop her. She called on women across the nation to stand together and demand to be treated as equal to men-and that included the right to vote. It took nearly seventy-five years and generations of women fighting for their rights through words, through action, and through pure determination . . . for things to slowly begin to change. With the help of these trailblazers' own words, Doreen Rappaport's engaging text, brought to life by Matt Faulkner's vibrant illustrations, shows readers just how far this revolution has come, and inspires them to keep it going!

    That’s what everyone wonders when they see Niagara . . . How close will their courage let them get to it? At the turn of the nineteenth century, a retired sixty-two-year-old charm school instructor named Annie Edson Taylor, seeking fame and fortune, decided to do something that no one in the world had ever done before—she would go over Niagara Falls in a wooden barrel. Come meet the Queen of the Falls and witness with your own eyes her daring ride!

    That was the year that the Supreme Court issued its decision in Loving v. Virginia.This is the story of one brave family: Mildred Loving, Richard Perry Loving, and their three children. It is the story of how Mildred and Richard fell in love, and got married in Washington, D.C. But when they moved back to their hometown in Virginia, they were arrested (in dramatic fashion) for violating that state's laws against interracial marriage. The Lovings refused to allow their children to get the message that their parents' love was wrong and so they fought the unfair law, taking their case all the way to the Supreme Court - and won!

    Today, more than 30 million trees have been planted throughout Mama Miti’s native Kenya, and in 2004 she became the first African woman to win the Nobel Peace Prize. Wangari Muta Maathai has changed Kenya tree by tree—and with each page turned, children will realize their own ability to positively impact the future.

    And, it's true, many of them do. But Paul Erdos never followed the usual path. At the age of four, he could ask you when you were born and then calculate the number of seconds you had been alive in his head. But he didn't learn to butter his own bread until he turned twenty. Instead, he traveled around the world, from one mathematician to the next, collaborating on an astonishing number of publications. With a simple, lyrical text and richly layered illustrations, this is a beautiful introduction to the world of math and a fascinating look at the unique character traits that made "Uncle Paul" a great man.

    Board of Education, Sylvia Mendez and her parents helped end school segregation in California. An American citizen of Mexican and Puerto Rican heritage who spoke and wrote perfect English, Mendez was denied enrollment to a “Whites only” school. Her parents took action by organizing the Hispanic community and filing a lawsuit in federal district court. Their success eventually brought an end to the era of segregated education in California.

    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.

    But he didn’t write stories; he wrote lists. Peter took his love for words and turned it to organizing ideas and finding exactly the right word to express just what he thought. His lists grew and grew, eventually turning into one of the most important reference books of all time.

    Her organization planted over thirty million trees in thirty years. This beautiful picture book tells the story of an amazing woman and an inspiring idea.

    In Johannesburg, Mandela saw fellow Africans who were poor and powerless. He decided then that he would work to protect them. When the government began to keep people apart based on the color of their skin, Mandela spoke out against the law and vowed to fight hard in order to make his country a place that belonged to all South Africans.Kadir Nelson tells the story of Mandela, a global icon, in poignant verse and glorious illustrations. It is the story of a young boy's determination to change South Africa and of the struggles of a man who eventually became the president of his country by believing in equality for people of all colors. Readers will be inspired by Mandela's triumph and his lifelong quest to create a more just world.

    He protected roots through harsh winters, so plants could be reborn in the spring. He trimmed flowers, spread soil, studied life cycles. And it was in this very place that George’s love of nature sprouted into something so much more—his future.

    . . There was a town that had 3,168 tons of garbage and nowhere to put it. What did they do? Enter the Garbage Barge!Amazing art built out of junk, toys, and found objects by Red Nose Studio makes this the perfect book for Earth Day or any day, and photos on the back side of the jacket show how the art was created.

    She dreamed of playing the violin, but with little money for anything but the bare essentials, it was never an option...until a music teacher named Favio Chávez arrived. He wanted to give the children of Cateura something special, so he made them instruments out of materials found in the trash. It was a crazy idea, but one that would leave Ada—and her town—forever changed. Now, the Recycled Orchestra plays venues around the world, spreading their message of hope and innovation.