Romanzo d'appendìce was a popular genre in literature

Literature

Literature is the art of written works, and is not bound to published sources...

, which originated in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, in the second half of the 19th and the beginning of the 20th.

This literary genre is characterised by the existence of many and often recurring characters, and by many cliffhanger

Cliffhanger

A cliffhanger or cliffhanger ending is a plot device in fiction which features a main character in a precarious or difficult dilemma, or confronted with a shocking revelation at the end of an episode of serialized fiction...

s at the end of a chapter, to ensure sales of the next episode. This is a clear case of form influencing content

Content (media and publishing)

In media production and publishing, content is information and experiences that may provide value for an end-user/audience in specific contexts. Content may be delivered via any medium such as the internet, television, and audio CDs, as well as live events such as conferences and stage performances...

: these novel

Novel

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and in the tradition of the novella. The latter supplied the present generic term in the late 18th century....

s were published in episodes

Serial (literature)

In literature, a serial is a publishing format by which a single large work, most often a work of narrative fiction, is presented in contiguous installments—also known as numbers, parts, or fascicles—either issued as separate publications or appearing in sequential issues of a single periodical...

 in newspapers and could in a certain sense be compared to modern soap opera

Soap opera

A soap opera, sometimes called "soap" for short, is an ongoing, episodic work of dramatic fiction presented in serial format on radio or as television programming. The name soap opera stems from the original dramatic serials broadcast on radio that had soap manufacturers, such as Procter & Gamble,...

. Ponson du Terrail, Eugene Sue

Eugène Sue

Joseph Marie Eugène Sue was a French novelist.He was born in Paris, the son of a distinguished surgeon in Napoleon's army, and is said to have had the Empress Joséphine for godmother. Sue himself acted as surgeon both in the Spanish campaign undertaken by France in 1823 and at the Battle of Navarino...

, Maurice Leblanc

Maurice Leblanc

Maurice Marie Émile Leblanc was a French novelist and writer of short stories, known primarily as the creator of the fictional gentleman thief and detective Arsène Lupin, often described as a French counterpart to Arthur Conan Doyle's creation Sherlock Holmes.- Biography :Leblanc was born in...

, Gustave Le Rouge

Gustave Le Rouge

Gustave Henri Joseph Le Rouge was a French writer who embodied the evolution of modern science fiction at the beginning of the 20th century, by moving it away from the juvenile adventures of Jules Verne and incorporating real people into his stories, thus bridging the gap between Vernian and...

 and Michel Zévaco

Michel Zevaco

Michel Zevaco was a French journalist, novelist, publisher, film director, and anti-clerical as well as anarchist activist....

 were among the numerous authors which contributed to the genre.

Feuilleton

Feuilleton

Feuilleton was originally a kind of supplement attached to the political portion of French newspapers, consisting chiefly of non-political news and gossip, literature and art criticism, a chronicle of the latest fashions, and epigrams, charades and other literary trifles...

is used in current language to indicate a quite improbable story.