Illustrated with a blend of historic photographs and eloquent watercolors by Paul Bacon.

    . . 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.

    She lived in a world of silence and darkness and she spent the rest of her life struggling to break through it. With the help of teacher Annie Sullivan, Helen learned to read, write, and do many amazing things. This inspiring illustrated biography is perfect for young middle-grade readers. Black-and-white line drawings throughout, sidebars on related topics such as Louis Braille, a timeline, and a bibliography enhance readers' understanding of the subject.

    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.

    She took the name Frank Thompson and joined a Michigan army regiment to battle the Confederacy. Sarah excelled as a soldier and nurse on the battlefield. Because of her heroism, she was asked to become a spy. Her story comes to life through the signature illustrations and design of John Hendrix and the exciting storytelling of Marissa Moss.

    When the policeman bent down to ask “Auntie, are you going to move?” all the strength of all the people through all those many years joined in her. She said, “No.”A picture book account of Rosa Park's historic choice.

    And he determined that one day his camera would capture for others the wonder of the tiny crystal. Bentley's enthusiasm for photographing snowflakes was often misunderstood in his time, but his patience and determination revealed two important truths: no two snowflakes are alike; and each one is startlingly beautiful. His story is gracefully told and brought to life in lovely woodcuts, giving children insight into a soul who had not only a scientist's vision and perseverance but a clear passion for the wonders of nature. Snowflake Bentley won the 1999 Caldecott Medal.

    Growing up enslaved in Tennessee, Doc was sent to plantations around the state to care for sick and wounded animals. When the Civil War ended and Doc was freed, he began to dream of breeding a winning racehorse. But those dreams were dashed when his colt was born weak and sickly. Although many people would have euthanized the colt, Doc nursed him back to health and named him Jim.Noticing a level of curiosity and eagerness in the horse, Doc began teaching Beautiful Jim Key first to recognize letters, then to read, write, add, subtract, and more. Doc soon took his talented horse on the road, spreading a message of patience and kindness, over cruelty, to all animals.With striking illustrations by Daniel Minter, Step Right Up is the inspiring story of one man and one horse who showed the world the power of kindness.This biography explores Common Core English Language Arts Standards and Social Studies Standards.

    While other girls played with dolls, Joan preferred the company of reptiles. She carried her favorite lizard with her everywhere--she even brought a crocodile to school!When Joan grew older, she became the Curator of Reptiles at the British Museum. She went on to design the Reptile House at the London Zoo, including a home for the rumored-to-be-vicious komodo dragons. There, just like when she was a little girl, Joan hosted children's tea parties--with her komodo dragon as the guest of honor.With a lively text and vibrant illustrations, scientist and writer Patricia Valdez and illustrator Felicita Sala bring to life Joan Procter's inspiring story of passion and determination.

    Harry was a veterinarian. But he was also a soldier in training for World War I. Harry named the bear Winnie, short for Winnipeg, his company’s home town, and he brought her along to the training camp in England. Winnie followed Harry everywhere and slept under his cot every night. Before long, she became the regiment’s much-loved mascot. But who could care for the bear when Harry had to go to the battleground in France? Harry found just the right place for Winnie while he was away — the London Zoo. There a little boy named Christopher Robin came along and played with Winnie — he could care for this bear too! Sally Walker’s heartwarming story, paired with Jonathan Voss’s evocative illustrations, brings to life the story of the real bear who inspired Winnie the Pooh.

    A picture book biography of scientist Wangari Maathai, the first African womanand first environmentalistto win a Nobel Peace Prize (in 2004), for her work planting trees in her native Kenya.

    But Malala Yousafzai refused to be silent. She defied the Taliban's rules, spoke out for education for every girl, and was almost killed for her beliefs. This powerful true story of how one brave girl named Malala changed the world proves that one person really can make a difference.

    I hope that this book will bring the tradition of sharing history to families all across America." -- Lynne CheneyChristmas night, 1776, was a troubled time for our young country. In the six months since the Declaration of Independence had been signed, General George Washington and his troops had suffered defeat after defeat at the hands of the British. It looked as though our struggle for independence might be doomed, when Washington made a bold decision. He would lead the main body of his army across the Delaware River and launch a surprise attack on enemy forces.Washington and his men were going against the odds. It seemed impossible that the ragtag Americans could succeed against the mightiest power in the world. But the men who started across the icy Delaware loved their country and their leader. Under his command they would turn the tide of battle and change the course of history.Best-selling author Lynne Cheney tells the dramatic story of the military campaign that began on Christmas night in 1776. When Washington Crossed the Delaware will teach the young about the heroism, persistence, and patriotism of those who came before them.

    With that achievement he forever changed how his country treats people with disabilities, and he shows us all that one person is enough to change the 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!