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Autor: Sally M Walker

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Sally M. Walker has been a children”s book writer for over 20 years. Most of her books are nonfiction and present various science topics to young readers. Fossil Fish Found Alive is the story of the hunt for the elusive fish called the coelacanth. Sally also enjoys combining science investigation with historical topics. Her book Secrets of a Civil War Submarine, which won the 2006 Robert F. Sibert Medal, tells about the history, loss, and re-discovery of the first submarine to sink an enemy ship in battle. Written in Bone: Buried Lives of Jamestown and Colonial Maryland takes readers on archaeological expeditions, where the forensic analysis of colonial settlers” bones helps us to understand their lives. Sally especially enjoys writing narrative nonfiction that captures the reader”s attention with a true story. She is also the author of 2019 Orbis Pictus Honor Book Champion: The Comeback Tale of the American Chestnut.




22 Ebooks de Sally M Walker

Sally M. Walker: Vowel Family
Meet an unusual family with some very special children: Alan, Ellen, Iris, Otto, and Ursula. Sometimes they’re visited by their very special aunt, Cyndy. As each child is born, the family becomes …
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€38.39
Sally M. Walker: Mosquitoes
In this Early Bird title, readers learn about the physical characteristics, habitat, and behavior of the …
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Engleză
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€50.27
Sally M. Walker: Druscilla’s Halloween
Did witches always ride brooms? No! In fact, long, long ago, witches crept about on tiptoe. On Halloween, they would scare children and cast spells . . . but always from the ground. No witch ever …
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€38.25
Sally M. Walker: Frozen Secrets
Studying Antarctica has never been for the fainthearted. "Hereabouts died a very gallant gentleman, Captain L. E. G. Oates of the Inniskilling Dragoons. In March 1912, returning from the Pole, …
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€43.15
Sally M. Walker: Written in Bone
Bright white teeth. Straight leg bones. Awkwardly contorted arm bones. On a hot summer day in 2005, Dr. Douglas Owsley of the Smithsonian Institution peered into an excavated grave, carefully …
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€46.36
Roseann Feldmann & Sally M Walker: Inclined Planes and Wedges
What is an inclined plane? How do you use a wedge? Using easy-to-understand examples and fun-to-do experiments, discover how these two simple machines work and make the work that you do easier. …
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€32.46
Roseann Feldmann & Sally M. Walker: Levers
Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do …
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€49.85
Roseann Feldmann & Sally M Walker: Pulleys
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster. …
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€32.42
Roseann Feldmann & Sally M Walker: Screws
We”ve all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine …
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€32.42
Roseann Feldmann & Sally M. Walker: Wheels and Axles
Of the six simple machines, the wheel and axle is probably the most recognized. But how does it help you work? Simple and fun experiments illustrate the basic concepts explained in the text to show …
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€49.98
Roseann Feldmann & Sally M. Walker: Work
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental …
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€49.68
Sally M. Walker: Jackie Robinson
The first African American to break the color barrier in modern major league baseball, Jackie Robinson was one of the greatest players of all time. Forced to put up with angry, hateful fans and …
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Spaniolă
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€48.33
Sally M. Walker: Electricity
Where does electricity come from? How does it make a computer run or a light bulb shine? Electricity is a form of energy that can be used in many ways. Starting with the tiny particles that make up …
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€49.85
Sally M. Walker: Jackie Robinson
The first African American to break the color barrier in modern major league baseball, Jackie Robinson was one of the greatest players of all time. Forced to put up with angry, hateful fans and …
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Engleză
DRM
€48.18
Douglas W. Owsley & Sally M. Walker: Their Skeletons Speak
On July 28, 1996, two young men stumbled upon human bones in the shallow water along the shore of the Columbia River near Kennewick, Washington. Was this an unsolved murder? The remnants of some …
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€47.15
Sally M. Walker: Mary Anning
In the early 1800s, very few girls were allowed to learn about science. Yet Mary Anning spent her life hunting for fossils on the cliffs of Lyme Regis, England. When she was still a girl, she and her …
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€48.33
Sally M. Walker: El calor (Heat)
Why do some things heat up quickly while others don’t? How can heat cause matter to change form—from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at …
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Spaniolă
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€49.76
Roseann Feldmann & Sally M. Walker: Trabajo (Work)
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental …
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DRM
€50.53
Sally M. Walker: Heat
Why do some things heat up quickly while others don’t? How can heat cause matter to change form-from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at …
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Engleză
DRM
€49.81
Sally M. Walker: Matter
What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter …
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€49.81
Sally M. Walker: La electricidad (Electricity)
¿De dónde viene la electricidad? ¿Cómo hace que funcione una computadora o que una bombilla ilumine? La electricidad es una forma de energía que puede usarse de muchas maneras. Este libro comienza …
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€49.70
Sally M. Walker: Search for Antarctic Dinosaurs
Rocks, ice, and snow. That is all Dr. William Hammer and his crew can see when they look at the land around them on Earth’s coldest continent. But on top of a mountain, the scientists discover a …
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€48.31