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.

    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.

    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.

    Her artwork brought attention to Mexican and indigenous culture with images renowned in celebrating the female form.Brown's story recounts Frida's beloved pets—two monkeys, a parrot, three dogs, two turkeys, an eagle, a black cat, and a fawn—and playfully considers how Frida embodied the many wonderful characteristics of each animal.

    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

    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.

    “Count Victor Lustig,” moved to Paris hoping to be an artist. A con artist, that is. He used his ingenious scams on unsuspecting marks all over the world, from the Czech Republic, to Atlantic ocean liners, and across America. Tricky Vic pulled off his most daring con in 1925, when he managed to "sell" the Eiffel Tower to one of the city’s most successful scrap metal dealers! Six weeks later, he tried to sell the Eiffel Tower all over again. Vic was never caught. For that particular scam, anyway. . . . Kids will love to read about Vic's thrilling life, and teachers will love the informational sidebars and back matter. Award-winner Greg Pizzoli’s humorous and vibrant graphic style of illustration mark a bold approach to picture book biography.

    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.

    But what happens when a bag breaks or is no longer needed? In Njau, Gambia, people simply dropped the bags and went on their way. One plastic bag became two. Then ten. Then a hundred.The bags accumulated in ugly heaps alongside roads. Water pooled in them, bringing mosquitoes and disease. Some bags were burned, leaving behind a terrible smell. Some were buried, but they strangled gardens. They killed livestock that tried to eat them. Something had to change.Isatou Ceesay was that change. She found a way to recycle the bags and transform her community. This inspirational true story shows how one person's actions really can make a difference in our world.

    He was such a daydreamer that people called him a blockhead.When Leonardo grew up and traveled the world, he was inspired by the numbers used in different countries. Then he realized that many things in nature, from the number of petals on a flower to the spiral of a nautilus shell, seem to follow a certain pattern. The boy who was once teased for being a blockhead had discovered what came to be known as the Fibonacci Sequence!

    Mesmer’s mysterious powers in a whimsical look at a true moment in history.The day Ben Franklin first set foot in Paris, France, he found the city all abuzz. Everyone was talking about something new. Remarkable. Thrilling. Strange. Something called Science!But soon the straightforward American inventor Benjamin Franklin is upstaged by a compelling and enigmatic figure: Dr. Mesmer. In elaborately staged shows, Mesmer, wearing a fancy coat of purple silk and carrying an iron wand, convinces the people of Paris that he controls a magic force that can make water taste like a hundred different things, cure illness, and control thoughts! But Ben Franklin is not convinced. Will his practical approach of observing, hypothesizing, and testing get to the bottom of the mysterious Mesmer’s tricks? A rip-roaring, lavishly illustrated peek into a fascinating moment in history shows the development and practice of the scientific method—and reveals the amazing power of the human mind.

    In 1903, President Theodore Roosevelt joined naturalist John Muir on a trip to Yosemite. Camping by themselves in the uncharted woods, the two men saw sights and held discussions that would ultimately lead to the establishment of our National Parks.

    But Moshe didn’t mind. Everything he heard was music to his ears. One day, while out for a walk, he heard a small, sad sound that he’d never heard before. It was a tiny kitten! "Come on, little Ketzel," Moshe said, "I will take you home and we will make beautiful music together." And they did—in a most surprising way. Inspired by a true story, Lesléa Newman and Amy June Bates craft an engaging tale of a creative man and the beloved cat who brings unexpected sweet notes his way.

    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.

    The cub's mother lost the instinct to care for him. "Just do for him what you would do with a human baby," Fred suggested...and she did. Helen named him MacArthur, and fed him milk from a bottle and cooed him to sleep in a crib.Soon enough, MacArthur was not the only cub bathed in the tub! The couple continues to raise lion and tiger cubs as their own, until they are old enough to return them to zoos. Helen becomes the first female zookeeper at the Bronx zoo, the keeper of the nursery.This is a terrific non-fiction book to read aloud while snuggling up with your cubs! Filled with adorable baby cats, this is a story about love, dedication, and a new kind of family.Gorgeously patterned illustrations by Julie Downing detail the in-home nursery and a warm pallet creates a cozy pairing with Candace Fleming's lovely language.Backmatter includes a short biography of Helen Martini and a selected bibliography.A Junior Library Guild Selection!