"The Millionaire Baby" by Anna Katharine Green unfolds as a captivating mystery novel centered on the abduction of an infant heiress. The narrative follows Detective Ebenezer Gryce as he investigates the high-stakes crime and delves into the lives of the wealthy Van Burnam family. As secrets unravel, the story unveils complex family dynamics, financial intrigue, and the pursuit of a massive ransom. Green skillfully weaves suspense and psychological depth, exploring the impact of the crime on the family and the community. The titular millionaire baby becomes a symbol of both fortune and vulnerability. With its twists and turns, the novel stands as a testament to Anna Katharine Green's mastery of the detective genre, offering readers a compelling blend of mystery, societal commentary, and character-driven drama.