Anna Katharine Green (1846–1935) was a pioneering figure in the detective fiction genre, often lauded as 'the mother of the detective novel.' Green's literary career burgeoned with the publication of her first novel, 'The Leavenworth Case' (1878), which became a bestseller and cemented her reputation as a proficient writer. She was one of the first writers to introduce the series detective with her character Ebenezer Gryce of the New York Metropolitan Police Force, a predecessor to the likes of Agatha Christie's Hercule Poirot and Arthur Conan Doyle's Sherlock Holmes. Green's narration was marked by intricate plots, legal knowledge gleaned perhaps from her lawyer father, and an in-depth psychological dimension. Her works often featured the 'woman in peril' trope, an archetype she crafted meticulously. Within her extensive body of work, the 'Detective Caleb Sweetwater Mysteries' showcase her ability to meld suspense with detailed character development, making Detective Sweetwater a memorable figure in her literary collection. Green's writing style is quintessentially Victorian, replete with the decorum and complexities of 19th-century society, reflecting her acute awareness of the period's social intricacies. Anna Katharine Green's contributions to detective literature opened doors for women in a previously male-dominated field, her legacy enduring through the profound influence on the mystery genre.