The tragic events aboard United Airlines Flight 93 on September 11, 2001, are seen as an example of extreme heroism. When they realized their plane had been hijacked, passengers aboard flight 93 fought the hijackers and brought the plane down in a field in Shanksville, Pennsylvania, in an attempt to save the lives of people on the ground. This book examines the events leading up to the hijacking, the heroic actions of passengers and crew, and the country’s response to this tragedy. A glossary helps students develop their vocabulary, while a further information section encourages deeper understanding of the topic.