This paper focuses on experiencing and dealing with trauma and Post-traumatic stress disorder, caused by the November 2001 terrorist attacks in New York. The theoretical part deals with the term trauma, the explanation of Post-traumatic stress disorder and the September 11, 2001 terrorist attacks. This also briefly mentions occurrence of trauma and Post-traumatic stress disorder in American literature and authors of the 9/11 genre. The second part of the paper contains analyses main characters in Falling Man and Extremely Loud & Incredibly Close and describes their process in dealing with trauma and Post-traumatic stress disorder.