Most Popular Books by Sally M. Walker

Introduces Antarctica, describing the history of its exploration and the current research efforts underway to investigate its geography, climate, and fossils of the past, and monitor the effects of global warming on its glaciers.

The worst maritime disaster in American history wasn''t the Titanic. It was the steamboat Sultana on the Mississippi River and it could have been prevented.

Explains what magnets and magnetism are, what objects are or are not magnetic, magnetic poles, and types of magnets, and shows related activities.

Describes William Hammer''s discovery of the first dinosaur remains found in Antarctica.

Looks at levers and uses everyday materials to show how they help make our work easier.

This book introduces young readers to volcanoes—what they are, how they form, and how they affect people.

Describes the physical characteristics, life cycle, behavior, and conservation of manatees, also known as sea cows.

Looks at screws and uses everyday materials to show how they are simple machines that help make work easier.

The true story of the real bear who inspired Winnie-the-Pooh

Describes the basic physics behind work and simple machinery.

Uses everyday examples to show how wheels and axles function as simple machines.

"The story of the near-extinction and recovery of the American Chestnut tree."--

In 1938, off the coast of South Africa, a woman found a strange blue fish with four stubby fins, pointed spines, and a funny looking tail—it was a coelacanth! Until that very moment, the world had believed that coelacanths were extinct. Suddenly, scientists around the world were excited—could more of these unusual creatures be found and studied? Discover how scientists worked to solve the mystery of these extraordinary fish.

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 brother found an amazing ichthyosaur skeleton--but that was only the beginning. Author Sally M. Walker uses letters, journal entries, and academic papers to reveal the true story of a woman who followed her own path. Detailed, scientifically accurate artwork by Phyllis V. Saroff offers a vivid portrait of Mary Anning and the fossils she loved.

Introduces glaciers, including how they were formed, how they move, and their importance to the geography and ecology of the world, and discusses ways that we can reduce the deterioration of the glaciers before it is too late.

This Early Bird Earth Science title explains what reefs are and how they form. The book discusses coral reefs and fossil reefs, and includes a description of the damage caused to reefs by human activity.

Uses everyday examples to illustrate how pulleys function as simple machines.

"Hits the mark."—Kirkus An engaging middle-grade nonfiction narrative of the American Indian soldiers who bravely fought in the Civil War from Sibert Award-winning author Sally M. Walker. More than 20,000 American Indians served in the Civil War, yet their stories have often been left out of the history books. In Deadly Aim, Sally M. Walker explores the extraordinary lives of Michigan’s Anishinaabe sharpshooters. These brave soldiers served with honor and heroism in the line of duty, despite enduring broken treaties, loss of tribal lands, and racism. Filled with fascinating archival photographs, maps, and diagrams, this book offers gripping firsthand accounts from the frontlines. You’ll learn about Company K, the elite band of sharpshooters, and Daniel Mwakewenah, the chief who killed more than 32 rebels in a single battle despite being gravely wounded. Walker celebrates the lives of the soldiers whose stories have been left in the margins of history for too long with extensive research and consultation with the Repatriation Department for the Little Traverse Bay Bands of Odawa Indians, the Eyaawing Museum and Cultural Center, and the Ziibiwing Center of Anishinaabe Culture and Lifeways.

Looks at inclined planes and wedges and using everyday materials shows how they help make work easier.

Combining science with poetry, this collection of haiku extols the wonder of trees through poems that engage with every season and stage of the life cycle, from seed to photosynthesis.

110 million years ago, a lush river flowed through the heart of what is now a desert in Africa. Lurking in the depths of the river, a humungous monster waited for its prey to come to the river’s edge to drink...and to die. More than 40 feet long, this giant ancestor of the crocodile stalked and killed dinosaurs. In 1997, dinosaur hunter Paul Sereno discovered the enormous reptile fossil named SuperCroc. Learn how modern science uncovers the ancient past in this thrilling account of a prehistoric predator.

Explains what a rock is, how it is formed and different types of rocks.

Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of the largest estuary in the United States, the Chesapeake Bay.

Introduces earthquakes, discussing how, why, and where they occur; how they are measured; their effects; and how to prepare for them.

Explains what sound is, how it travels, why it moves at different speeds, and why people can''t hear certain sounds.

This companion to Earth Verse: Haiku from the Ground Up soars into space with a perfect fusion of poetry and science, accompanied by breathtaking illustrations. one minuscule speck grows into the universe a mind-boggling birth This stunning meeting of poetic form and luminous artwork transports us out of the bounds of Earth, past a lunar eclipse, beyond the orbiting planets, and into glowing galaxies and twinkling constellations. Sally M. Walker uses her award-winning skill as a writer of nonfiction to explore space through clever haiku, accompanied by narrative explanations of wonders that are out of this world. Illustrator Matthew Trueman imagines the explosive Big Bang and awe-inspiring meteor showers in spectacular views that no telescope could offer. Comprehensive, well-researched back matter further explores such topics as constellations and astronomers, the birth of the universe, stars, the solar system, moons and eclipses, asteroids, meteors, and comets, as well as a glossary of terms, a bibliography, and online resources for readers with an eye to what lies beyond Earth.

A collection of haiku poems celebrates the planet Earth, including such topics as rocks, earthquakes, fossils, volcanoes, and the water cycle. Includes Earth sciences fact pages.

Describes what minerals are and discusses different types, where they are found, and how they are used.

Part of the ''Early Bird Earth Science'' series, this book provides the reader with a thorough explanation of what soil is made from and how it is formed, about the different kinds of soils, and how we can conserve this important natural resource.

Describes the physical characteristics, behavior, life cycle, and endangered status of rays.

An introduction to the physical characteristics, behavior, habitats, and life cycle of sea horses.

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.

Describes the physical characteristics, life cycle, behavior, and conservation of rhinos.

6 PACK, PART OF LIBROS DE ENERGIA PARA MADRUGADORES SET (EARLY BIRD ENERGY)

What do hammers, wheelbarrows, and brooms have in common? All of them use levers!

What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work!

What do staircases, dump truck beds, and ramps have in common? All of them are inclined planes!

What do jar tops and water-bottle lids have in common? Both of them are screws!

What do flagpoles and some window blinds have in common? They use pulleys to perform work!

What do a doorstop, a butter knife, and the front of a boat have in common? All of them are wedges!