id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-2852 Crime fiction - Wikipedia .html text/html 3658 413 67 Crime fiction, detective story, murder mystery, mystery novel, and police novel are terms used to describe narratives that centre on criminal acts and especially on the investigation, either by an amateur or a professional detective, of a serious crime, generally a murder.[1] It is usually distinguished from mainstream fiction and other genres such as historical fiction or science fiction, but the boundaries are indistinct. Harun orders his vizier, Ja'far ibn Yahya, to solve the crime and find the murderer within three days, or be executed if he fails his assignment.[4] The story has been described as a "whodunit" murder mystery[5] with multiple plot twists.[6] The story has detective fiction elements.[7] The psychological thriller or psychological suspense: this specific subgenre of the thriller genre also incorporates elements from detective fiction, as the protagonist must solve the mystery of the psychological conflict presented in these types of stories. Detective, mystery, and crime fiction ./cache/en-wikipedia-org-2852.html ./txt/en-wikipedia-org-2852.txt