As I mentioned in my post on the wool challis shirtdress, I added shoulder darts to the back of the bodice, and instead of using an eased-in sleeve, I converted the necessary fullness into a dart at the very top of the sleeve. The button placement guide for this pattern indicates using...
You will notice this dress has two shaping darts on either side of the front panel, in addition to the bust darts. The back has one shoulder dart and one shaping dart on either side. All these darts make for such a lovely fit. In addition, I used a trick I have learned from Susan...