Christmas is the perfect time to fall in love-unless you're pretending to be your twin sister. Cassandra Bell is happy to stay in the shadow of her poised and proper twin sister. After all, her only goal for the Hastings' Christmas house party is to not make a complete fool of herself. Vivian, however, has much higher aspirations-her heart is set on a proposal from the eligible Mr. Hastings himself. But when Vivian grows ill, she begs...