New Releases by Sally M. Walker

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 more complete—and each additional Vowel also makes the text easier to read! Because if you can imagine life without the Vowels, tlkng wld b vr hrd. Rdng wld b pzzlng. Are you ready to play the Vowel game?

In this Early Bird title, readers learn about the physical characteristics, habitat, and behavior of the opossum.

The author describes how the scientists searched for the missing submarine the H L Hunley, and how they found it and raised it from the sea floor. She also describes the following investigation of the vessel and findings.

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

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.

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

Text and pictures describe the Earth''s caves, including their different types, animal life, and how people explore them.

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.

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

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 190-million-year-old fossil. It is the remains of the first dinosaur found on mainland Antarctica. Learn more about the hunt for fossils in Antarctica and what life might have been like there millions of years ago.

Describes the behavior, habitat, and life cycle of dolphins.

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

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

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

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

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 changes state are conveyed through a series of easy-to-do experiments.

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.

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.

Presents the history of the Civil War submarine the H.L. Hunley, including the construction, mysterious sinking, recovery, and restoration.

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

Describes the life and accomplishments of Bessie Coleman, who overcame racism and poverty to become the first African American woman pilot.

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.

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

Describes the life and accomplishments of baseball star Jackie Robinson, who became the first African American in twentieth-century major-league baseball.

Describes the 1938 discovery of the coelacanth, a fish previously believed to be extinct, and subsequent research about it.

Describes the basic physics behind work and simple machinery.

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

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

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.

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