An interesting take on reality with a bunch of made up stuff to go along
Man I loved that realistic Fiction Book!
A psychological or behavioral tendency to treat fictional characters as if they were real, often experiencing emotional attachment, empathy, or concern for their well-being, and blurring the lines between fiction and reality.
"His fictionalism has led him to spend hours every day immersed in online discussions defending his favorite fictional characters as if they were real people."
Any work of fiction that derives all sorts of themes, genres, ideas and styles from a broad range of different sources.
One example of eclectic fiction is The Dark Tower where it incorporates four literary genres: Science fiction, fantasy, horror and western. Of course though there other fictional works that incorporate much more genres.