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.

    The truth about foul fighting is revealed in the "Horrible Histories Rules of War", and readers can meet fifty of the most vicious villains of all time in the frightful fold-out feature. History has never been so horrible.

    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."

    purple mountains’ majesty, mauvelous, jungle green, razzmatazz… What child doesn't love to hold a crayon in their hands?  But children didn't always have such magical boxes of crayons. Here’s the true story of an inventor who so loved nature’s vibrant colors that he found a way to bring the outside world to children – in a box for only a nickel!

    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.

    Now she understands what it means for a painter to be called an Impressionist. This innovative art book for children contains full-color photos of many of Monet's famous paintings.

    One day, a man exhausts himself trying to chop down a giant kapok tree. While he sleeps, the forest’s residents, including a child from the Yanomamo tribe, whisper in his ear about the importance of trees and how "all living things depend on one another" . . . and it works. Cherry’s lovingly rendered colored pencil and watercolor drawings of all the "wondrous and rare animals" evoke the lush rain forests, as well as stunning world maps bordered by tree porcupines, emerald tree boas, and dozens more fascinating creatures.Awards: IRA Teacher’s Choice (1991), ABA’s Pick of the Lists, Reading Rainbow Review Book, NSTA-CBC Outstanding Trade Book for Children

    When Grandma Della said the blues wouldn’t put food on the table, Muddy didn’t listen. And when record producers told him no one wanted to listen to a country boy playing country blues, Muddy ignored them as well. This tenacious streak carried Muddy from the hardscrabble fields of Mississippi to the smoky juke joints of Chicago and finally to a recording studio where a landmark record was made.Soon the world fell in love with the tough spirit of Muddy Waters. In blues-infused prose and soulful illustrations, Michael Mahin and award-winning artist Evan Turk tell Muddy’s fascinating and inspiring story of struggle, determination, and hope.

    The beauty of the language is set off to perfection by Heller's arresting illustrations. A stunning combination of fluent prose and exquisitely wrought illustrations that makes] a winner for story hours, as well as a useful resource for the study of Cinderella through the ages." -- SLJ. Notable 1989 Children's Trade Books in Social Studies (NCSS/CBC)

    With commentary by the author. “A must for mythology shelves.”--Booklist

    It is the latest in the best-selling 1001 series, and its informative reviews are the key to differentiating the "must-read" books from all the rest in the realm of children’s books. Whether you are a parent seeking to instill a love of reading in your child, an educator or counselor looking for inspiration, or a young reader with a voracious appetite, this guide to the best writing for children and young adults covers the spectrum of children’s literature. It is organized by age group—from board books to YA novels and all the gradiations in between. Each entry features evaluations by a team of international critics complete with beautifully reproduced artwork from the featured title. The beloved classics are here, but the guide also takes a global perspective and includes the increasingly diverse contributions from African American and Latino authors and illustrators—not to mention important books from around the world.

    One hundred years later, they continue to have adventures, do good deeds, and make a difference!

    Mary is one such dreamer, a little girl who learns to read by tracing the letters on her mother's tombstone and whose only escape from her strict father and overbearing stepmother is through the stories she reads and imagines. Unhappy at home, she seeks independence, and at the age of seventeen runs away with poet Percy Bysshe Shelley, another dreamer. She travels to Europe and surrounds herself with more poets and writers, including Lord Byron and John Polidori. On a stormy summer evening, Byron suggests a contest to see who can create the best ghost story. After nine months of daydreaming, 21-year-old Mary Shelley's terrifying tale is published, a novel that goes on to become a very well-known monster story.

    It's a math class you'll never forget.This classic picture book is an ALA Notable Book, a Reading Rainbow Feature Selection, and a Boston Globe/Horn Book Honor Book for Illustration.The repackage of this fun look at math concepts includes a letter from the author that features several ways for children to find a million everyday things.

    Schmidt comes a picture book biography of a giant in the struggle for civil rights.Sojourner Truth was born into slavery but possessed a mind and a vision that knew no bounds. So Tall Within traces her life from her childhood through her emancipation to her leadership in the movement for rights for both women and African Americans.