"Yes - oh dear, yes - the novel tells a story." Or so says E.M. Forster regretfully.
What then of Maugham's "Ashenden"? Short stories around the same protagonist, in the form of a novel, therefore not a novel? It tells no story, only many stories.
What of Steinbeck's "Cannery Row", or Huxley's "Crome Yellow"? Novels, or not?