Bjorklund, Ruth

Describes Afghanistan's geography, wildlife, history, government, economy, people, religion, and culture.

Presents a short study on eating disorders, and describes the psychological, social, and physical effects they have on people and society.

Simple text and photographs provide an introduction to the physical characteristics, behaviors, and habitat of parrots.

Simple text and photographs provide an introduction to the physical characteristics, behaviors, and habitat of Tasmanian devils.

This book provides information on the causes, treatment, and history of Tourette syndrome.

Provides comprehensive information on the causes, treatment, and history of arthritis.

A portrait of Puerto Rico that covers the island's plants, animals, history, famous figures, government, products, and resources and includes a craft activity and a recipe.

Provides information on the history and cultures of ancient China, and features instructions for nine games and activities that illustrate aspects of the Shang and Chou, Han, and T'ang dynasties.

Presents an illustrated discussion of the circulatory system, covering how it works, the role of the heart and blood, what happens when the system fails, and how to stay healthy by exercising and eating well.

An introduction to the human senses, explaining what they are, how they work, what can go wrong, and how to stay healthy.