Stewart, Gail

Examines the increase of violence in Colombia due to drug trafficking.

Provides an overview of drug addiction, describes the lives of four teenage drug addicts, and suggests ways to get involved in fighting this social problem.

Addresses opposing views on drugs and sports, including whether drug use is a serious problem in sports, whether drug use should be banned, why athletes take drugs, and if they should be tested for them.

Discusses smoking, the effects of smoking, smoking-related illnesses, chemicals in cigarettes, and helpful ways to quit.

An introduction to the history, economy, people, and notable sites of the second largest city in the United States.

Describes the landscape, seasons, climate, and living conditions of the world's polar regions, with an emphasis on the structures people have built in order to survive there.

An introduction to the history, economy, people, and notable sites of the city considered to be the leading industrial and transportation center of the United States.

An introduction to the history, economy, people and notable sites of the largest city in Texas.

Examines the Soviet Union's changing political scene, status as a superpower, and relationship with the United States.

Examines Cuba's history, particularly the period of the Castro regime.