Modelling an open book pages & Wear & tear included

Ok so really i have no idea how to go about modelling an open book in blender

i have seen some simple tutorials on modelling a closed one. but have no idea how to make an open one

any suggestions/tutorials?

thanks for any assistance

search the forum there are some sample file for book with open pages

happy 2.5

All you do is to layout the profile, and extruded it;