<p>The Rainbow is a 1915 novel by British author D. H. Lawrence. It follows three generations of the Brangwen family, particularly focusing on the sexual dynamics of, and relations between, the characters.<br><br>Lawrence's frank treatment of sexual desire and the power plays within relationships as a natural and even spiritual force of life, though perhaps tame by modern standards, caused The Rainbow to be prosecuted in an obscenity trial in lat...