When I am struggling with a book dummy I tend to draw a lot, and care very little about each drawing. By throwing down a lot I may get one good bit.
The gist of this page is my attempt to simplify the face of a young model, drawn carefully at bottom. When I carve her face in linoleum it will need just a few marks to indicate eyes, nose, and mouth and I am trying to pare her down to the minimum needed.
The darn airplane has to be in there too. But they will each inhabit their own picture ‘plane’ in the finish!