If a man means his writing seriously, he must mean to write well. But how can he write well until he learns to see what he has written badly. His progress toward good writing and his recognition of bad writing are bound to unfold at something like the same rate.
I conceive that the right way to write a story for boys is to write so that it will not only interest boys but strongly interest any man who has ever been a boy. That immensely enlarges the audience.