Resources by Crabtree Publishing Company

Information about various topics related to machines, especially those used for transportation, forms the foundation for a variety of craft projects.

Provides information about the many forms of human communication throughout history and accompanying craft projects.

Certain sea slugs have developed a remarkable defensive adaptation -- they can use the stinging cells of the sea anemones they eat to protect themselves. Whether adapting over millions of years or in the blink of an eye, this book examines the ever-changing world of animals.

Children will thrill at...