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  • Wheels

    Series series Simple Machines
    Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wheels. ... Leer más

    $326 MXN o gratis con Kobo Plus

  • Wedges

    Series series Simple Machines
    Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wedges. ... Leer más

    $326 MXN o gratis con Kobo Plus

  • Wheels

    Series series Simple Machines
    Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wheels. ... Leer más

    $310 MXN o gratis con Kobo Plus

  • Wedges

    Series series Simple Machines
    Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wedges. ... Leer más

    $310 MXN o gratis con Kobo Plus

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  • How to Groom Your Horse or Pony

    de Gina Sanders ...
    Geared towards children in a relaxed instructional manner is this guide to grooming a horse or pony. Covered inside are the basics of catching a horse or pony, tying safely, and grooming. Types of brushes and their uses are discussed as well as how to pick hooves and maintain a bridle path. If you have a young child embarking upon a journey into the equestrian world, this short, to the point ... Leer más

    $17 MXN

  • Amazing Math

    Projects You Can Build Yourself

    Ilustraciones de Samuel Carbaugh ...
    Series series Build It Yourself
    Make a geodesic dome big enough to sit in. Solve one of the world's hardest two-piece puzzles. Pass a straight line through a curved slot.From prime numbers to paraboloids, Amazing Math Projects You Can Build Yourself introduces readers ages 9 and up to the beauty and wonder of math through hands-on activities. Kids will cut apart shapes to discover area formulas, build beautiful geometric models ... Leer más

    $183 MXN o gratis con Kobo Plus

  • Mark Twain and the River

    Tom Sawyer is among the best-known, most-loved characters in American fiction. As everyone remembers, he and Huck Finn camped on an island, got lost in a cave, and visited an old graveyard at midnight. These adventures were based upon the author's real boyhood experiences along the Mississippi River. Trace Mark Twain's life from 1835, when his birth was heralded by Halley's Comet, to 1910, when ... Leer más

    $127 MXN

  • The Science and Technology Behind the Human Genome Project

    Series series The Biotechnology Revolution
    This comprehensive resource teaches readers about the fundamental science behind the Human Genome Project, the aim of which was to identify and map all of the genes in the human genome. Readers will learn the basics of DNA, genetics, and the human genome; important areas and the history of genetic research; and how our world has changed since the project. Further, readers will learn about the ... Leer más

    $615 MXN o gratis con Kobo Plus

  • Sir Cumference and the Dragon of Pi

    Ilustraciones de Wayne Geehan ...
    Series series Sir Cumference
    Join Sir Cumference for wordplay, puns, and problem solving in this entertaining, medieval math adventure story about radius and the number Pi.This time the math adventure is centered around a potion that changes Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering ... Leer más

    $108 MXN

  • Sir Cumference and the First Round Table

    Ilustraciones de Wayne Geehan ...
    Series series Sir Cumference
    Join Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving in this geometry-packed math adventure.King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes ... Leer más

    $108 MXN

  • Beastly Brains

    Exploring How Animals Think, Talk, and Feel

    In Beastly Brains , Castaldo delves into the minds of animals and explores animal empathy, communication, tool use, and social societies through interviews and historical anecdotes. Researchers from Charles Darwin to Jane Goodall have spent years analyzing the minds of animals, and today's science is revolutionizing old theories and uncovering surprising similarities to our own minds. Humans are ... Leer más

    $134 MXN o gratis con Kobo Plus

  • Sir Cumference and the Viking's Map

    Ilustraciones de Wayne Geehan ...
    Series series Sir Cumference
    For fans of the Sir Cumference series with coordinate geometry on their mind, here is the seventh installment in this fun look at math and language.While riding through the forests of Angleland, cousins Per and Radius realize they are lost and are desperate for a map to guide them home. Soon they come across a mysterious house in the hills. Inside they find a map to a treasure belonging to Xaxon ... Leer más

    $108 MXN