one long story by a single author, usually printed by itself

Italian: n. a short prose tale. For example, Hemingway's The Old Man and The Sea is a novella.

a short novel

a long story

a short, narrative, prose fiction work

more than 7,500 - less than 40,000 words - a work of fiction, but can vary with genre.

An Italian term meaning "story." This term has been especially used to describe fourteenth-century Italian tale s, but it also refers to modern short novel The tales comprising Giovanni Boccaccio's Decameron are examples of the novella. Modern novellas include Leo Tolstoy's The Death of Ivan Ilich, Fyodor Dostoyevsky's Notes from the Underground, Joseph Conrad's Heart of Darkness, and Henry James's "The Aspern Papers."

A short story that has not been edited.

A work of fiction usually consisting of between 7,500 and 40,000 words.

fiction that is more than 7,500 and less than 40,000 words but can vary with genre.

A novella is a narrative work of prose fiction longer than a novelette (7501 words to 17,500 words in length) but shorter than a novel (40,001-plus words. A novella is not measured by page count. Its commonly accepted length is 17,501 to 40,000 words.