We are doing sleeves now so students can make some winter clothes, the thing about sleeves is the measurements are all derived from the armhole in some cases the armhole measurement is smaller than the initial pattern so it must be made smaller. This will result in a sleeve draft that can be 2 to 3 sizes smaller than the 1/2 bust measurement taken on the body. This is absolutely fine and will actually give more mobility to the wearer because if the armhole is too large it restricts the arm movement, the closer the armcye seam is to the body the more movement there is. True story.
Anyway your homework is to draft the sleeves on page 50, 51 and the bell sleeve on page 52 and the larger upper arm adjustment on page 53, cut one sleeve of each style out of fabric just to see what it looks like.