Splendid by Julia Quinn

American heiress Emma Dunster has always been fun-loving and independent with no wish to settle into marriage. She plans to enjoy her Season in London in more conventional ways than husband-hunting. But this time Emma's high-jinks lead her into dangerous temptation...Alexander Ridgely, the Duke of Ashbourne, is a notorious rake who carefully avoids the risk of love...until he plants one reckless kiss on the sensuous lips of this high-spirited innocent...and condemns himself to delicious torment. Little does he know that his passion has touched the very soul of the lovely enchantress...and committed them both to a lifetime of splendid ecstasy.