Anna Katharine Green (1846–1935) was a pioneering figure in the American detective fiction genre, often credited with shaping its development in its nascent days. Her novels were well-received for their intricate plots and well-developed characters. The daughter of a New York lawyer, Green was educated at Ripley Female College in Vermont. Drawing from the intellectual environment of her upbringing, she utilized her writing to craft suspenseful narratives, blending domestic issues with legal and logical problems, in an era when such creative endeavors were dominated by men. Her first novel, 'The Leavenworth Case' (1878), was a critical and commercial success, establishing her as a professional writer. 'Initials Only' (1911), one of Green's later works, preserves the characteristic detail and deductive reasoning that were hallmarks of her literary style, showcasing her progression as a writer. Known for her deliberate use of legal accuracy and logical deduction, Green's writings arguably influenced subsequent mystery writers, including the inimitable Agatha Christie. Green's narrative proficiency extended over forty books, including novels and short story collections, solidifying her as a significant figure in the landscape of early detective fiction. Her lasting impact is ascertained by her nicknames 'the mother of the detective novel' and 'the American Agatha Christie,' honoring her vital contributions to the genre.