"Divine Secrets of the Ya-Ya Sisterhood" is a novel by Rebecca Wells that explores the complex relationships between mothers and daughters. The story centers on Siddalee Walker, a successful playwright who confronts her troubled past and her mother's influence. The narrative is enriched by the history of the Ya-Ya Sisterhood, a group of lifelong friends who support each other through life's challenges. The novel delves into themes of friendship, family, and the power of storytelling. It highlights the importance of female bonds and the impact of shared experiences. The Ya-Ya Sisterhood serves as a source of strength and wisdom for Siddalee as she navigates her personal struggles.