The phrase denotes a narrative work, generally a children’s story, featuring a small rodent as a significant character. Examples of these types of books include tales where the creature is the protagonist, encounters other animals, or interacts with humans, often imparting a moral or lesson.
Stories incorporating these characters provide avenues for exploring themes of courage, ingenuity, and perspective. Due to their size, these protagonists frequently overcome challenges through cleverness and resourcefulness. Historically, such narratives have been used to convey messages about overcoming adversity and the importance of individual value, regardless of physical stature.