<p>Wilde's only novel, first published in 1890, is a brilliantly designed puzzle, intended to tease conventional minds with its exploration of the myriad interrelationships between art, life and consequence. From its provocative Preface, challenging the reader to belief in 'art for art's sake', to its sensational conclusion, the story self-consciously experiments with the notion of sin as an element of design. Yet Wilde himself underestimated the...