A written literary work goes between fiction and non-fiction. The writer is not obligated to divulge which is which.
Method is like any other hybrid fiction/non-fiction works. Style of writing, may also involve similarities, but bees original as a gum of archives, belles-lettres, gonzo, foodist, journalkeeping, personal & familiar essay, the ri-di-cul-ous, and is also research-reliant (as in, cites those from the labs and the quantitative gatherers) (likely not exhaustive list) .
Fifi is seeking representation for her fiction-a-non Breaking bread with boys.