"The Uninvited" is a novel by Cat Winters that blends elements of historical fiction and supernatural mystery. Set in the aftermath of World War I, it follows the story of Ivy Rowan, a young woman who begins to experience strange occurrences in her life after the death of her brother. As she navigates her grief, Ivy discovers unsettling secrets about her family and the haunting presence of a ghostly figure. The narrative explores themes of loss, trauma, and the impact of war on individuals and families. Through Ivy's journey, the novel delves into the complexities of human emotions and the struggle to find peace amidst turmoil, making it a poignant read for those interested in both history and the supernatural.