This study aims to analyze the experience of Post Traumatic Stress Disorder (PTSD) and Post Traumatic Growth (PTG). TifAni Fanelli, the main character, experienced a traumatic event and positive change in the novel Luckiest Girl Alive (2015).
This study used PTSD theory by the American Psychiatric Association and PTG theory by Richard Tedeschi and Laurence Calhoun (2006) to analyze Post Traumatic Growth. This study applied a qualitative descriptive method to analyze the collected data from dialogues and monologues in the novel. In data collecting, the researcher used several steps: reading the novel, identifying the data, classifying the data and reducing the data.
The result of this study highlights two points: first, the traumatic experiences TifAni goes through in the novel including experiencing traumatic event, flashbacks, avoidance, negative change in thoughts and moods, negative change in physical and emotional reactions, the duration of the experiences is more than a month, the disturbance cause adverse effect on social functioning and the disruption not caused by other factors such as drugs and alcohol. Second, the trauma TifAni experienced grows in a positive way as the result of PTG such as having personal strength, new possibilities, relating with others, appreciation of life and spiritual changes.

Keywords: post traumatic stress disorder, post traumatic growth, luckiest girl alive, jessica knoll.