In “A Matter of Millions,” Anna Katharine Green delves into the complexities of human motives and societal intricacies, weaving a narrative that stands at the intersection of mystery and psychological drama. Rich with detailed characterizations and a meticulous plot structure, the novel reflects Green's mastery of the detective genre, challenging readers to untangle a web of secrets surrounding a fortune, love, and betrayal. Set against the backdrop of an emerging urban America, the work exemplifies the literary shift of the late 19th century, characterized by a growing interest in psychological depth and intricate plotting, often drawing comparisons to contemporaries like Arthur Conan Doyle and Edgar Allan Poe. Anna Katharine Green, hailed as the mother of American detective fiction, was inspired by her upbringing in a household of lawyers and her early experiences in a male-dominated literary landscape. Her keen insights into societal norms and women's roles during her lifetime deeply informed her writing, bringing to life nuanced female characters and morally complex situations that push the boundaries of the genre. Readers seeking an engaging blend of detective fiction and psychological exploration will find “A Matter of Millions” a rewarding experience. With its layered narrative and vibrant prose, this novel not only entertains but invites critical reflection on the nature of greed, love, and the inexorable quest for truth.