Some of the greatest inventions that changed the modern world have been based on nature. In Porcupine Quills to Needles, readers will discover how the invention of needles were inspired by the porcupine quills. Book includes table of contents, glossary, index, author biographies, and sidebars.

"Long and sympathetic watching, radio tracking, chemical analysis are all part of this naturalist's ingenious and peaceable arsenal of inquiry into the lives of porcupines."--Scientific American

Likes living in trees or on the ground? Herbivore or omnivore. Is it a porcupine or a hedgehog? Readers will learn how these adorable spiky mammals are alike and how they differ.

A porcupine named Fluffy is happier with his name after he meets a similarly misnamed rhinoceros. OThe humor is just absurd enough to make the picture-book set howl along with Hippo and Fluffy."N"The New York Times Book Review." Full color.

This photo illustrated book will introduce young readers to Porcupines that live in North America. Explains their history, life cycle, habitat, and feeding habits. Includes a photo diagram, glossary, further resources, and index.

Describes the physical characteristics, behavior, and natural defenses of the porcupine.

Pins is a porcupine who loves to take chances. Needles is a porcupine who is always scared. But when Pins gets himself into a bit of trouble, will Needles be brave enough to help him out? Pins and Needles covers the concepts Appreciating Differences and Friendship.