On the other hand, L. Sprague de Camp considered Morris's fantasies to be not wholly successful, partly because Morris eschewed many literary techniques from later eras. In particular, De Camp argued the plots of the novels are heavily driven by coincidence; while many things just happened in the romances, the novels are still weakened by the dependence on it. Nevertheless, large subgenres of the field of fantasy have sprung from the romance genre, but indirectly, through their writers' imitation of William Morris.