A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

    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

    With expert skill, steady nerves, and steadfast loyalty, the Signal Corps operators transferred orders from commanders to battlefields and communicated top-secret messages between American and French headquarters. After faithfully serving her country--undaunted by freezing weather and fires; long hours and little sleep, and nearby shellings and far off explosions--Grace was the first and only woman operator in the Signal Corps to be awarded the Army's Distinguished Service Medal.

    What is creating this revolting smell? The answer is gross: the river is full of poop. But the smell isn’t the worst problem. Every few years, cholera breaks out, and thousands of people die. Could there be a connection between the foul water and the deadly disease? One engineer dreams of making London a cleaner, healthier place. His name is Joseph Bazalgette. His grand plan to create a new sewer system to clean the river is an engineering marvel. And his sewers will save lives. Nothing stinky about that.

    He was the rebel leader Sam Adams, a plainspoken gent who scorned ruffles, refused to ride a horse, and had little regard for the King. This lively biography is a nice, personal look at a leader and his times.

    It explores the ways in which nature and people are connected, tracking the people who lived on Manhattan from the Lenape Indians to Dutch settlers hunting for beaver pelts to early Americans and beyond, and how they've (literally) shaped the island (and vice versa). Jen Thermes highlights watershed moments where nature demanded action of New Yorkers--the Great Fire of 1835, the Great Blizzard of 1888, and Hurricane Sandy in 2012. In special sidebars, she closely traces specific threads of history and their lasting impact today--New York as a hub for immigration and the slave trade, for example. An epic volume that chronicles the rise of Manhattan through the lenses of geography, city planning, sociology, historiography, and more, Manhattan Maps is a groundbreaking format that will fascinate curious readers of all ages"--

    Walsh, an ordinary boy born in Ireland and raised in Niagara Falls, NY. In 1848, Homan entered a kite-flying contest. The winner's kite string would span Niagara Falls and bridge the United States and Canada. Despite biting cold and strong winds and against tremendous odds, Homan Walsh won the contest, earning him a place in history. His success also lead to the building of the first suspension bridge across the Falls, linking the two neighboring countries. Author Alexis O'Neill and illustrator Terry Widener worked closely with experts on both sides of the Falls, and the book includes author's note, timeline, bibliography and further resources.

    Jane didn’t have much opportunity to go to school but she read everything she could, including the books in her father’s study. And before long, she began to write her own stories, filled with funny, clever, and inventive characters.Today, Austen’s novels ― including Pride and Prejudice, Sense and Sensibility, and Emma ― are widely read around the world. She's recognized as one of the most important and influential writers of all time; about her J.K. Rowling has said, "Jane Austen is the pinnacle to which all authors aspire."

    Eliza was expected to marry into a similarly powerful family . . . until she met and fell in love with the charismatic Hamilton. She stood by him throughout his tumultuous life, and after his death, she single-handedly collected his papers and preserved them for historians and musical-theater writers of the future. Eliza outlived Hamilton by fifty years; during that time she founded the first orphanage in New York State, raised funds for the Washington Monument, and kept the flame of her husband's memory and achievements alive. Featuring Esme Shapiro's exquisite, thoroughly researched art, which mirrors paintings from 18th-century America, this is a beautiful and informative biography with extensive back matter.

    (That's why it's been Employee of the Month for 4.5 billion years.) So why does the Sun get to be the center of attention? Because it's our solar system's very own star! This funny and factual picture book from Awkward Yeti creator Nick Seluk explains every part of the Sun's big job: keeping our solar system together, giving Earth day and night, keeping us warm, and more. In fact, the Sun does so much for us that we wouldn't be alive without it. That's kind of a big deal. Each spread features bite-sized text and comic-style art with sidebars sprinkled throughout. Anthropomorphized planets (and Pluto) chime in with commentary as readers learn about the Sun. For instance, Mars found someone's rover. Earth wants the Sun to do more stuff for it. And Jupiter just wants the Sun's autograph. Funny, smart, and accessible, The Sun Is Kind of a Big Deal is a must-have!

    So when Ben and the rest of his family make their way to America, Ben brings both his sharp artistic eye and his desire to fight for what’s right. As he grows, he speaks for justice through his art—by disarming classmates who bully him because he’s Jewish, by defying his teachers’ insistence that he paint beautiful landscapes rather than true stories, by urging the US government to pass Depression-era laws to help people find food and jobs.

    When Sharon Langley was born in the early 1960s, many amusement parks were segregated, and African-American families were not allowed entry. This book reveals how in the summer of 1963, due to demonstrations and public protests, the Gwynn Oak Amusement Park in Maryland became desegregated and opened to all for the first time. Co-author Sharon Langley was the first African-American child to ride the carousel. This was on the same day of Martin Luther King Jr.’s March on Washington for Jobs and Freedom. Langley’s ride to remember demonstrated the possibilities of King’s dream. This book includes photos of Sharon on the carousel, authors’ notes, a timeline, and a bibliography.

    Because she was going to study him, she decided to call him Alex--short for Avian Learning EXperiment. At that time, most scientists thought that the bigger the brain, the smarter the creature; they studied great apes and dolphins. African greys, with their walnut-sized "birdbrains," were pretty much ignored--until Alex. His intelligence surprised everyone, including Irene. He learned to count, add, and subtract; to recognize shapes, sizes, and colors; and to speak, and understand, hundreds of words. These were things no other animal could do. Alex wasn't supposed to have the brainpower to do them, either. But he did them anyway.Accompanied by Meilo So's stunning illustrations, Alex and Irene's story is one of groundbreaking discoveries about animal intelligence, hard work, and the loving bonds of a unique friendship.

    Though he was often sick and had trouble making friends as a child, his mom and grandfather encouraged him to ask for help and explore the world. With their support, he learned how to better say what he was feeling and see the beauty around him. As he grew up, he realized he could spread the message of compassion, equality, and kindness through television. You Are My Friend is a gentle homage to Fred Rogers and shows how his simple message still resonates with us today: “There’s no person in the world like you and I like you just the way you are.” The book includes a short biography of Fred’s life and a bibliography.This is a work of fiction. This book is an expression of admiration of Fred Rogers, the man and the artist, by the author and illustrator. This book is not associated with or endorsed by The Fred Rogers Company.

    Harvey fireboat was the largest, fastest, shiniest fireboatof its time, but by 1995, the city didn't need old fireboats anymore. So the Harvey retired, until a group of friends decided to save it from the scrap heap. Then, one sunny September day in 2001, something so horrible happened that the whole world shook. And a call came from the fire department, asking if the Harvey could battle the roaring flames. In this inspiring true story, Maira Kalman brings a New York City icon to life and proves that old heroes never die.