B. J Best

Explores the process of soap-making, whereby animal fats and lye (a highly caustic substance) can be processed to produce something that is powerful enough to clean but gentle enough to use directly on skin.

Looks at the migratory patterns of the monarch butterfly, which spends the summer in the United States and Canada and migrates to Mexico in the winter in search of warmer weather.

In many parts of North America during the fall and spring, kids can look up and see a fleet of geese flying in a formation shaped like a V. Where are the geese going? Why do they have to migrate? Why do they fly in a V? This book will answer these questions for kids.

"A book for young readers about the concept of temperature and its many meanings."--

Looks at the migratory patterns of salmon, who are born in a river, migrate to the ocean, and return to the river to deposit their eggs.

"A book for young readers about the concept of light and its spectrum, and how it's a part of our everyday lives."--

"A book for young readers about the concepts of shape, size, and volume, with everyday examples."--

Hermit crabs do not grow their own shells, but instead use discarded shells from other animals such as snails. Of course, as the hermit crab grows, the shell does not. A hermit crab's life, then, is a succession of finding bigger and bigger shells to use as its home. This book will show kids that process through simple language and intriguing photographs.

"A book for young readers about the concept of texture with everyday examples."--

Kids may have seen strange, dense webs in trees, but they may have not been able to identify what they saw. This book explores the life cycle of both the caterpillars and the tents they create. Kids will be surprised to learn that the tent is built to achieve different temperatures inside its rooms. They'll also learn how these seemingly small animals can defoliate an entire tree as they maintain their home.