A non-profit small exhibition on the 3F of Changning Library curated by local detective fiction enthusiasts. Currently on display are around 140 rare copies of detective novels, crime comics, newspapers, and original / replica letters and manuscripts from world renowned British and American writers such as Agatha Christie, Ellery Queen and John Dickson Carr. The majority of them were the first edition published in 1940s, in good condition. The have talks surrounding topics like crime novels and movies during weekends as well (in Chinese). No Cover.