Five unexpectedly romantic novels

At the B&N Reads blog Brian Boone tagged five unexpectedly romantic novels, including:
The Princess Bride, by William Goldman

Westley is but a farm boy, but he loves the beautiful Princess Buttercup, and she too loves him, but it is not to be, because they come from different stations in life. Nevertheless, Westley leaves his beloved to find his fortunes, learns the skills necessary to become