In a sense, the first (if not necessarily the prime) function of a novelist, of ANY artist, is to entertain. If the poem, painting, play or novel does not immediately engage one's surface interest then it has failed. Whatever else it may or may not be, art is also entertainment. Bad art fails to entertain. Good art does something in addition.
Brigid Brophy, Fifty Works of English Literature We Could Do Without
art, creation, writing