The Fifth Ace by Isabel Ostrander is a classic detective mystery novel filled with suspense, deception, and sharp deduction. Set in the world of crime and high-stakes gambling, the story follows a clever investigator who must unravel a baffling case where an extra, unexplained "fifth ace" plays a crucial role. As secrets unfold, hidden motives emerge, and the protagonist navigates a tangled web of lies, theft, and possible murder. Blending hard-boiled detective fiction, classic mystery, and crime thriller elements, Ostrander’s novel showcases her signature skill in crafting intricate plots and compelling characters. A must-read for fans of Golden Age detective fiction!
