This book explores why headaches hurt us so much. Authors Alvin and Virginia Silverstein and Laura Silverstein Nunn examine a variety of different types of head

Have your readers ever had a cavity? Readers find out what cavities are, and how to prevent them in this book. Authors Alvin and Virginia Silverstein and Laura

Do you know someone who wears glasses? Readers find out how their eyes work, and how to take care of their eyes. This book also explores why people need glasses

Everybody gets sick. Readers will use this guidebook to explore the common cold and the flu, how these diseases are spread, treated, and prevented.

Did your readers know that kids usually get more bug bites than adults? It's true. Readers find out why people are so appealing to bugs, and how to prevent and