Books with author Sally Wall

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

Walton, Sally

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Rare Book

This Early Bird Earth Science book provides a clear and thorough introduction to glaciers.

Describes the hydrologic cycle and its importance to life on Earth

Discusses the physical characteristics, behavior, and habitat of the jaguar, and describes the efforts to protect this endangered species.

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.

Book by Walker, Sally M.

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

Introduces these aquatic mammals by describing their physical characteristics, life cycle, behavior, relations with humans, and threats to their survival

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.