This
image went through two different sketches, the last of which is shown
here. You can see the other sketch, the photo reference and
the initial thumbnails of this image in the "Process"
section---where I followed its development from manuscript to the final
book.
Color Comp
Though
this is one of my favorites from the book, and one of two that
people really seem to respond to, it was one of the simpler ones
to execute because I wasn't doing anything unusual with the
color.