Willis, John

An introduction to magma, covering what it is, where it fits into the rock cycle, where it can be found, and more.

An introduction to sediment, covering what it is, where it fits into the rock cycle, where it can be found, and more.

A wetland is an area where the land is covered by water for some or all of the year. Wetlands are important because they clean water as it moves through them. Learn more in Wetlands in this book.

An introduction to carnivorous plants, covering growth, habitats, issues, and more.

An exploration of natural resources, covering water and mineral resources, forests and forestry, agriculture, management, and other related topics. Includes teacher notes.

Simple text and illustrations provide an introduction to moto x, or motorcross.

An introduction to squirrels in the formof a narrative, including information about their dens, life cycle, and how squirrels protect their young.

Learn about the home, food and family of coyotes, and how they grow up.

This engaging book tells kids about the different kinds of stars, what stars are made of, and basic facts about constellations.

Examines water through natural disasters, looking at how disasters such as tsunamis and avalanches and how they form as well as search and rescue operations and various water-related disasters around the world.