Berta Berdette should be overjoyed at the arrival of her baby sister. But instead, she immediately feels resentment. Everyone exclaims over Glenna's beauty, and Berta feels plain and ordinary in comparison. As the two girls grow up, Glenna is the sparkling, cheerful one, while Berta is the serious, dependable one. She can't help but feel she's missing something -- a certain joy that others, especially Glenna, have. Is Berta really only a product of...