Novellas refer to short novels that are longer than short stories but shorter than full-length novels. Synonyms for novellas include novelettes, short novels, short fiction, and mini-books. The term novelette is a commonly used synonym for novellas, especially in the pulp fiction genre. Short novels are also often used to describe novellas, as they are essentially the same length and form. Short fiction is another term that can be used to describe novellas, as it encompasses any piece of fiction that is shorter than a full-length novel. Lastly, mini-books is a term that is used to describe novellas for younger readers or those with limited attention spans.