"The Lost Ones" is a novel by Sheila O'Connor that explores themes of loss, identity, and the search for belonging. The story follows a young girl named Maggie who embarks on a journey to find her missing mother. Set against the backdrop of the Great Depression, Maggie's quest reveals the struggles faced by families during this challenging time. As Maggie navigates her way through various encounters, she learns about resilience and the importance of connection. The novel delves into the complexities of family dynamics and the impact of societal issues on individual lives, making it a poignant reflection on the human experience.