Amber Patterson is a fictional character from the novel "The Wife Between Us" by Greer Hendricks and Sarah Pekkanen. She is portrayed as a woman who is envious of another woman's seemingly perfect life and becomes obsessed with her. This obsession drives the plot, leading to unexpected twists and revelations. Throughout the story, Amber's motivations and background are explored, revealing her complex personality. The novel delves into themes of betrayal, jealousy, and the lengths one might go to achieve their desires. Amber's character serves as a catalyst for the unfolding drama between the other main characters.