Straight Walking tells Lissie's story through a series of letters she writes to her absent father, whom readers eventually learn is in jail. Lissie initially idealizes her father, believing life would be perfect if she could escape her 'flakey, druggy' mother and dysfunctional home to live with him. The narrative follows her poignant journey as she gradually confronts the difficult truth about her family and the reality of her father's situation. The book directly addresses sensitive topics such as parental incarceration, substance abuse, and the emotional toll of family dysfunction, all from Lissie's intimate perspective. The emotional arc moves from hopeful idealization to a more grounded, resilient acceptance of her circumstances. This book is particularly suited for teenagers (ages 12-18) who may be grappling with similar issues of absent parents, parental addiction, or complex family dynamics. Parents should be prepared to discuss the challenging themes presented, as the book offers a realistic and unvarnished portrayal of these experiences. The epistolary format provides a deeply personal and impactful reading experience, allowing readers to intimately connect with Lissie's internal struggles and growth.