Copy

I'm reading A Guide to Drawing by Daniel M. Mendelowitz and have been looking at some great drawings. I decided to copy some.
Betty Edwards has an exercise in her book, Drawing on the Right Side of the Brain, that asks you to copy an image looking at it upside down.
I started out that way with this one, (Reclining Nude Figure by John Singer Sargent), but ended up turning it around. As usual, I needed more time. He used charcoal and I used pencil. meh.