In 'A Difficult Problem' by Anna Katharine Green, readers are taken on a suspenseful journey through a complex mystery involving a seemingly perfect crime in a small town. The book is written in a gripping and suspenseful style, incorporating elements of traditional detective fiction with a touch of psychological depth. Green's attention to detail and carefully crafted plot twists keep readers engaged from start to finish. The novel is a prime example of Golden Age detective fiction, with its focus on puzzle-solving and clever deduction. Anna Katharine Green was one of the first female detective novelists, paving the way for later writers in the genre. Her background in law and journalism provided her with a unique perspective that she used to create intricate and compelling mysteries. 'A Difficult Problem' showcases her talent for weaving together intricate plots and creating unforgettable characters. I highly recommend 'A Difficult Problem' to readers who enjoy classic detective fiction with a twist. Green's attention to detail and masterful storytelling make this novel a must-read for fans of the genre.