A Ring of Endless Light is a novel by Madeleine L'Engle that centers on a young girl named Vicky Austin, who is coping with the challenges of adolescence and her family's struggles. As she grapples with her emotions and relationships, Vicky discovers her special connection with dolphins, which becomes a pivotal element in her journey of self-discovery and personal growth. The story unfolds on an island where her family spends summer, emphasizing the themes of love, nature, and the quest for meaning in life.