As always...Yes, do avoid the Mortier book!! I might be worth 1/10th the outrageous price it costs, but even that is doubtful. I don't have the name off the top of my head but have heard there is a book slanted for Poser Pro Pack that is a pretty good one, and covers things that work as well with Poser 4. Hope this jogs some response for you from someone who knows the one I mean!