In this article, N.R. Kleinfield reports on the terrorist attacks of September 11, 2001. The article focuses on the destruction of the World Trade Center's Twin Towers in New York City after they were hit by two hijacked passenger jets. These were two of the four attacks carried out across the United States that day by a terrorist organization called Al-Qaeda. It also offers guided reading, an assessment, and discussion questions. [Free account registration required for specific tools.]