here this should help...there is bound to be a reference image that helps you out!!

Took a few seconds using Google...
http://images.google.com/images?sour...ed=0CB0QsAQwAA
Here are a bunch of videos on YouTuve showing the PB 360 where you can also get a feel for the size based on average hand sizes. Still not a lot, if any, shots relative to print books we already are familar with...weird...but I bet a review out there somewhere does show it....
http://video.google.com/videosearch?...ab=iv&start=0#