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Books with author Sally M. Walker

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  • Glaciers

    walker-sally-m

    Paperback (Lerner Books, March 15, 2010)
    Rare Book

  • Glaciers

    Sally M. Walker

    Paperback (Lernerclassroom, Sept. 1, 2007)
    This Early Bird Earth Science book provides a clear and thorough introduction to glaciers.
    R

  • Water Up, Water Down: The Hydrologic Cycle

    Sally M. Walker

    Library Binding (Carolrhoda Books, Aug. 1, 1992)
    Describes the hydrologic cycle and its importance to life on Earth
    R

  • Jaguars

    Sally M. Walker

    Library Binding (Lerner Pub Group, Sept. 1, 2008)
    Discusses the physical characteristics, behavior, and habitat of the jaguar, and describes the efforts to protect this endangered species.
    U

  • Hippos

    Sally M. Walker

    Library Binding (Lerner Pub Group, Sept. 1, 2008)
    Discusses the physical characteristics, behavior, and habitat of the common and pygmy hippopotamus, and describes efforts to protect these animals from poachers and other threats.
    U

  • Earthquakes

    Sally M. Walker

    Paperback (Lernerclassroom, Sept. 1, 2007)
    Book by Walker, Sally M.
    R

  • Manatees

    Sally M. Walker

    Library Binding (Carolrhoda Books, Sept. 1, 1999)
    Describes the physical characteristics, life cycle, behavior, and conservation of manatees, also known as sea cows
    Y

  • Dolphins

    Sally M. Walker

    Library Binding (Carolrhoda Books, March 1, 1999)
    Introduces these aquatic mammals by describing their physical characteristics, life cycle, behavior, relations with humans, and threats to their survival
    Y

  • Studying Soil

    Sally M. Walker

    Library Binding (Lerner Publications TM, Jan. 1, 2013)
    Soil can be found almost everywhere on Earth. Sand is a soft soil that is found in deserts. Loam is soil that is great for growing plants. But how are these types of soils different? And how are they made? Explore the amazing world of soil in this book.
    R

  • Fossils

    Sally M. Walker

    Paperback (Lernerclassroom, Jan. 1, 2007)
    None
    R

  • Investigating Sound

    Sally M. Walker

    Library Binding (Lerner Publications TM, Aug. 1, 2011)
    People, animals, machines, and wind all make sounds. But have you ever seen how sound waves move? Or made a sound wave bounce? Now you can! Explore sound with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How Does Energy Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!
    Q

  • Investigating Light

    Sally M. Walker

    Library Binding (Lerner Publications TM, Aug. 1, 2011)
    The sun, lightbulbs, and flickering fires all bring light to our world. But have you ever watched light rays moving? Or seen how light rays reflect off objects? Now you can! Explore light with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How Does Energy Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!
    Q