郑雁

Zheng Yan is a Chinese author known for mystery and detective fiction. Public information about this person is limited, yet seven works are already listed in the catalog, indicating an active writing career. Representative titles include Numa, The Fallen Lion, and Ghost Street from the "Exiles" series, as well as The Final Hour Approaches, The Last Murder at the End of the World, The 3.4 Mystery, and Tracing the Mist: A Guide to Memory Potion Making. Most of these titles fall under mystery and detective fiction and premium fiction, suggesting that Zheng Yan excels at building tension as a case unfolds while balancing plot design with genre appeal. The parallel use of series and standalone cases shows a continuing expansion of narrative range. The numbered naming of the "Exiles" series suggests an intentional shared world, while titles such as Tracing the Mist: A Guide to Memory Potion Making hint at a blend of fantasy and puzzle-solving, indicating that the writing is not confined to a single formula. As details such as dates and nationality are unavailable, this profile can only sketch the author's creative output through the works themselves; readers seeking more will have to await fuller public information.