Narrative hook
Encyclopedia
A narrative hook is a literary technique
Literary technique
A literary technique is any element or the entirety of elements a writer intentionally uses in the structure of their work...

 in the opening of a story that "hooks" the reader's attention so that he or she will keep on reading. The "opening" may consist of several paragraphs for a short story, or several pages for a novel, but ideally it is the opening sentence
Opening sentence
At the beginning of a written work stands the opening sentence. Considered "most important", the opening sentence needs to entice the reader and sets the subject, the tone and possibly the style for the whole work, although this does not have to be obvious. David Lodge describes the opening...

.
One of the most common forms is dramatic action, which engages the reader into wondering what the consequences of the action will be. This particular form has been recommended from the earliest days, stemming from Aristotle, and the widely used term in medias res
In medias res
In medias res or medias in res is a Latin phrase denoting the literary and artistic narrative technique wherein the relation of a story begins either at the mid-point or at the conclusion, rather than at the beginning In medias res or medias in res (into the middle of things) is a Latin phrase...

stems from the Roman Empire. However, action is not, in itself, a hook, without the reader's wondering what will happen next, or what caused the actions to occur. Overly dramatic openings may leave the reader indifferent because the characters acting or being acted on are non-entities; even murder of a faceless character may not engage interest.

The use of action as the hook, and the advice to so use it, is so widespread as to sometimes lead to the use of the term to mean an action opening, but other things can be used for narrative hooks, such mysterious settings, or engaging characters, or even a thematic statement, as with Jane Austen's opening line, "It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife."

When a story does not lend itself to a good hook when it is laid out linearly, the writer may tell the story out of order to engage the reader's interest. The story may begin with a dramatic moment and, once the reader is curious, flashback
Flashback (narrative)
Flashback is an interjected scene that takes the narrative back in time from the current point the story has reached. Flashbacks are often used to recount events that happened before the story’s primary sequence of events or to fill in crucial backstory...

 to the history necessary to understand it. Or it may be told as a story-within-a-story, with the narrator in the frame story
Frame story
A frame story is a literary technique that sometimes serves as a companion piece to a story within a story, whereby an introductory or main narrative is presented, at least in part, for the purpose of setting the stage either for a more emphasized second narrative or for a set of shorter stories...

 telling the story to answer the curiosity of his listeners, or by warning them that the story began in an ordinary seeming way, but they must follow it to understand latter actions. A famous early example of this technique was used in the One Thousand and One Nights, also known as the Arabian Nights, in which the frame story consists of Sheherazade
Shéhérazade
Shéhérazade is the title of two works by the French composer Maurice Ravel.Shéhérazade, ouverture de féerie, written in 1898 but unpublished, is a work for orchestra intended as the overture for an opera of the same name...

 telling stories to King Shahriyar
Shahriyār
Shahriyar , also spelled as Shariyar, Shahryar, Shahryār , Shahriār , Sheharyar or Shehiryar means "King" or "King of the kings" and may refer to:-Geography:*Shahriar, a city in Tehran Province, Iran...

; she must keep him 'hooked' to each of the stories, in order to prevent him from executing her the next morning.

Narrative hooks often play an important role in suspense thrillers and mystery fiction, particularly in murder mysteries
Crime fiction
Crime fiction is the literary genre that fictionalizes crimes, their detection, criminals and their motives. It is usually distinguished from mainstream fiction and other genres such as science fiction or historical fiction, but boundaries can be, and indeed are, blurred...

. This also dates back to the One Thousand and One Nights, in which a tale, "The Three Apples", begins with the discovery of a young woman's dead body, thus keeping the reader interested in "whodunit
Whodunit
A whodunit or whodunnit is a complex, plot-driven variety of the detective story in which the puzzle is the main feature of interest. The reader or viewer is provided with clues from which the identity of the perpetrator of the crime may be deduced before the solution is revealed in the final...

".
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