Dee Goon An, the Judge Dee series of novels, Erotic Colour Prints of the Ming Period, Sexual Life in Ancient China ... just what kind of books are these?
「狄仁傑奇案」、「狄公系列小說」、「秘戲圖考」、「中國古代房內考」，… … 究竟是什麼樣的書？