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.

    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

    If you had a beaver's, you'd have orange teeth! And if you had a naked mole rat's set of teeth, you could move each one separately, like chopsticks! The animal kingdom has lots of cool teeth, but yours are pretty awesome, too!

    Taught to think big by her father who was a mapmaker, Marie wanted to do something no one had ever done before: map the bottom of the Atlantic Ocean. Was it even possible? Not sure if she would succeed, Marie decided to give it a try.Throughout history, others had tried and failed to measure the depths of the oceans. Sailors lowered weighted ropes to take measurements. Even today, scientists are trying to measure the depth by using echo sounder machines to track how long it would take a sound wave sent from a ship to the sea floor to come back. But for Marie, it was like piecing together an immense jigsaw puzzle.Despite past failures and challenges—sometimes Marie would be turned away from a ship because having a woman on board was “bad luck”—Marie was determined to succeed. And she did, becoming the first person to chart the ocean floor, helping us better understand the planet we call home.

    --Slateengaging and delightfully-illustrated book--The Guardian

    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.

    The appendixes include texts of some of King's most famous speeches.

    Galileo Galilei was just such a man--a genius--and the first to turn the telescope to the skies to map the heavens. In doing so, he offered objective evidence that the earth was not the fixed center of the universe but that it and all the other planets revolved around the sun. Galileo kept careful notes and made beautiful drawings of all that he observed. Through his telescope he brought the starts down to earth for everyone to see.By changing the way people saw the galaxy, Galileo was also changing the way they saw themselves and their place in the universe. This was very exciting, but to some to some it was deeply disturbing. Galileo has upset the harmonious view of heaven and earth that had been accepted since ancient times. He had turned the world upside down.In this amazing new book, Peter Sís employs the artist's lens to give us an extraordinary view of the life of Galileo Galilei. Sís tells his story in language as simple as a fairy tale, in pictures as rich and tightly woven as a tapestry, and in Galileo's own words, written more than 350 years ago and still resonant with truth. This title has Common Core connections.Starry Messenger is a 1997 Caldecott Honor Book.

    "Once you are aware of the wonder and beauty of earth, you will want to learn about it," wrote Rachel Carson, the pioneering environmentalist. She wrote Silent Spring, the book that woke people up to the harmful impact humans were having on our planet.

    Paddle's journey, in text and pictures, through the Great lakes to the Atlantic Ocean provides an excellent geographic and historical picture of the region.

    J. Walker, who after years of adversity became the wealthiest black woman in the country, as well as one of the wealthiest black Americans, to Barack Obama, the country's first African-American president.With powerful illustrations by Shane Evans, this is a completely unique look at the importance and influence of African Americans on the history of this country.

    After all, Kate grew up among the towering pines and redwoods of Northern California. But after becoming the first woman to graduate from the University of California with a degree in science, she took a job as a teacher far south in the dry desert town of San Diego. Where there were almost no trees.Kate decided that San Diego needed trees more than anything else. So this trailblazing young woman singlehandedly started a massive movement that transformed the town into the green, garden-filled oasis it is today. Now, more than 100 years after Kate first arrived in San Diego, her gorgeous gardens and parks can be found all over the city.Part fascinating biography, part inspirational story, this moving picture book about following your dreams, using your talents, and staying strong in the face of adversity is sure to resonate with readers young and old.

    with photographs from the Dust Bowl era. This true story took place at the emergency farm-labor camp immortalized in Steinbeck's The Grapes of Wrath. Ostracized as "dumb Okies," the children of Dust Bowl migrant laborers went without school--until Superintendent Leo Hart and 50 Okie kids built their own school in a nearby field.

    Here, acclaimed author and illustrator Molly Bang presents a celebration of the wonder and power of the sun and its radiance. With dazzling paintings and a simple poetic text, MY LIGHT follows the paths of the sun's rays, showing the many ways in which we obtain energy from its light. As in COMMON GROUND (Giverny Award for Best Science Picture Book), Bang uses a story to explain the basic concepts behind electricity and our energy resources--a compelling and easily-accessible way to present a non-fiction subject.

    He lived in a beautiful house, wore fancy clothes and ate the most delicious food. When his uncle died, he became the richest man n New England.This wasn't enough, though, because John wanted everyone to like him, too. Most people did, but one certainly did not--King George of England.John refused to pay taxes to the king, and to show how mad he was, he made his signature on the Declaration of Independence so large that the king wouldn't need his spectacles to read it!