Josephine Tey's The Man in the Queue introduces Inspector Alan Grant of Scotland Yard. The story begins with a man being stabbed while waiting in line for a theater performance. With no witnesses and the victim's identity unknown, Grant faces a perplexing case. As he delves deeper, the investigation takes unexpected turns, challenging his perceptions and leading to a surprising conclusion. Tey's debut novel is a masterful blend of suspense and character study, marking her as a significant voice in detective fiction.