How she was treated by medical and legal officials reveals a lesser-known story of human and constitutional rights, entangled with the science of pathology and enduring questions about who Mary Mallon really was. How did her name become synonymous with deadly disease? And who is really responsible for the lasting legacy of Typhoid Mary? This thorough exploration includes an author's note, timeline, annotated source notes, and bibliography.

    Until the world begins to change...Along come people with their magnificent machines which stain the land with soot. In a beautiful landscape changed by humans how will one little moth survive?A clever picture book text about the extraordinary way in which animals have evolved, intertwined with the complication of human intervention. This remarkable retelling of the story of the peppered moth is the perfect introduction to natural selection and evolution for children.

    Children are given a well-rounded understanding of this beautiful fish: its anatomy, feeding habits and behavior. The following Sharks are featured:* The swift Black Tip Reef Shark* The dangerous Bull Shark* The resourceful Hammerhead Shark* The feared Great White Shark* The stealthy Lemon Shark* The fanged Nurse Shark* The gentle Whale Shark* The deceptive Wobbegong

    First published to wide acclaim in 2002, this eye-opening book has since become a classic, promoting "world-mindedness" by imagining the world's population -- all 6.8 billion of us -- as a village of just 100 people. Now, If the World Were a Village has been newly revised with updated statistics, several new activities and completely new material on food security, energy and health. By exploring the lives of the 100 villagers, children will discover that life in other nations is often very different from their own. If the World Were a Village is part of CitizenKid: A collection of books that inform children about the world and inspire them to be better global citizens.

    Once when he was thirty nine and again four years later when he was twelve.The first time had nothing to do with me. The second time definitely did, but I would never even have been there if it hadn’t been for his ‘time machine’…”When Al Chaudhury discovers his late dad’s time machine, he finds that going back to the 1980s requires daring and imagination. It also requires lies, theft, burglary, and setting his school on fire. All without losing his pet hamster, Alan Shearer…

    Hunley made history as the first submarine to sink a ship in battle. Soldiers on the shore waited patiently after seeing the submarine's return signal. But after several days, the ship had failed to return. What had gone wrong? In 1995, after over 130 years of searching, the H.L. Hunley was finally found buried off the coast of South Carolina. Follow author, Sally M. Walker on a fascinating journey through the workings of the famous submarine, its voyages, and the difficult obstacles that were overcome to recover, excavate and conserve the ship.

    It had an illustration that captivated him–a diagram showing Earth’s interior as it would look if you cut into it with a large knife and removed about a quarter of its bulk. The idea of lots of startled cars and people falling off the edge of that sudden cliff (and 4,000 miles is a pretty long way to fall) was what grabbed him in the beginning, but gradually his attention turned to what the picture was trying to teach him: namely that Earth’s interior is made up of several different layers of materials, and at the very centre is a glowing sphere of iron and nickel, as hot as the Sun’s surface, according to the caption. And he very clearly remembers thinking: “How do they know that?”Bill’s storytelling skill makes the “How?” and, just as importantly, the “Who?” of scientific discovery entertaining and accessible for all ages. He covers the wonder and mystery of time and space, the frequently bizarre and often obsessive scientists and the methods they used, and the mind-boggling fact that, somehow, the universe exists and against all odds, life came to be on this wondrous planet we call home.

    With each season, they learn polar bear biology and behavior, as well as strategies and skills that will help them thrive in a landscape that is rapidly changing beyond their control. Living with super insulated bodies in a world that's melting? For polar bears, keeping cool is the name of the game!Get ready to explore the depths of the ocean, the farthest reaches of space, and everything in between! These gorgeously illustrated graphic novels offer wildly entertaining views of their subjects. Whether you're a fourth grader doing a natural science unit at school or a thirty-year-old with a secret passion for airplanes, Science Comics is for you!

    She doesn’t like playing with dolls, she can hold her own in a fight, and she loves to work in the stables. Charlotte has a way with horses and wants to spend her life training and riding them on a ranch of her own. The problem is, as a girl in the mid-1800s, Charlotte is expected to live a much different life – one without freedom. But Charlotte is smart and determined, and she figures out a way to live her dreams with a plan so clever and so secret – almost no one figures it out.

    The campaign to set up a museum honoring black citizens is nearly 100 years old; building the museum itelf and assembling its incredibly far-reaching collections is a modern story that involves all kinds of people, from educators and activists, to politicians, architects, curators, construction workers, and ordinary Americans who donated cherished belongings to be included in NMAAHC's thematically-organized exhibits. Award-winning author Tonya Bolden has written a fascinating chronicle of how all of these ideas, ambitions, and actual objects came together in one incredible museum. Includes behind-the-scenes photos of literally "how to build a museum" that holds everything from an entire segregated railroad car to a tiny West African amulet worn to ward off slave traders.

    From the proto-Sinaitic peoples, through the Phoenicians, Greeks and Romans, this book follows the development of the Roman alphabet.Includes sidebar information on punctuation, writing materials, the technology of printing, and more.

    A bumper eBook collection of all 17 Roman Mysteries adventures including The Thieves of Ostia, The Secrets of Vesuvius, The Pirates of Pompeii, The Assassins of Rome, The Dolphins of Laurentum, The Twelve Tasks of Flavia Gemina, The Enemies of Jupiter, The Gladiators From Capua, The Colossus of Rhodes, The Fugitive From Corinth, The Sirens of Surrentum, The Charioteer of Delphi, The Slave-Girl From Jerusalem, The Beggar of Volubilis, The Scribes From Alexandria, The Prophet From Ephesus and The Man From Pomegranate Street.

    Presents an introduction to Shakespeare's greatest plays including Hamlet Othello, As You Like It, The Taming of the Shrew, The Tempest and Pericles.

    Focuses on the childhood of the dynamic president, describing how Teddy worked hard to improve his poor health and developed a lifelong interest in nature and the conservation of natural resources.

    All around the world -- in the sea, in the soil, in the air, and in your body -- there are living things so tiny that millions could fit on an ant's antenna. They're busy doing all sorts of things, from giving you a cold and making yogurt to eroding mountains and helping to make the air we breathe. If you could see them with your eye, you'd find that they all look different, and that they're really good at changing things into something else and at making many more microbes like themselves! From Nicola Davies comes a first exploration for young readers of the world's tiniest living organisms.