Frank L. Packard's 'Doors of the Night' is a gripping mystery novel set in the early 20th century. The book combines elements of crime, suspense, and adventure as the protagonist navigates through a web of deceit and danger. Packard's writing style is eloquent and descriptive, transporting readers to a bygone era filled with intrigue and suspense. The plot twists and turns keep readers on the edge of their seats until the very end. Packard's keen eye for detail and expert storytelling make 'Doors of the Night' a must-read for fans of mystery and detective fiction. The book not only entertains but also offers insights into societal norms and values of the time. Packard's vivid characters and atmospheric settings make this novel a standout in the genre.