"Rachel's Holiday" is a novel by Marian Keyes that follows the life of Rachel Walsh, a young woman who struggles with addiction and self-destructive behavior. After a series of events, she finds herself in a rehabilitation center, where she confronts her issues and learns about herself and her relationships. Throughout her journey, Rachel navigates the challenges of recovery, family dynamics, and friendships. The story blends humor and serious themes, highlighting the importance of self-acceptance and personal growth. Ultimately, Rachel's experiences lead her to a deeper understanding of her life and the choices she must make for a healthier future.