Step into the golden age of detective fiction with The Roman Hat Mystery: A Problem in Deduction, the iconic debut novel that introduced the legendary Ellery Queen.Set inside a packed Broadway theater, a notorious lawyer is found mysteriously poisoned-yet no one seems to have approached him. Even more baffling: his top hat has vanished without a trace. With dozens of suspects and a crime committed in plain sight, the case becomes a masterclass in logic, observation, and razor-sharp deduction.Follow Inspector Richard Queen and his brilliant son Ellery as they unravel a puzzle built on hidden motives, psychological clues, and one unforgettable missing hat.