Hi Riko, the scroll part is probably going to be one of the more difficult areas, you are probably going to have to draw several guide curves and probably use several sweeps to make those parts.

There is a thread here where Marc has various images for the progress on making that particular model, maybe looking through them will help give you some ideas:
http://moi3d.com/forum/index.php?webtag=MOI&msg=1050.1

- Michael