How do i hang wallpaper?

I am wanting to wallpaper my hall as the plaster is not nice .the problem is, it has 8 doors and 2 of these are slightly recessed. does any one know of a nice diy man ual with an idiots guide? i have recently wallpapered the lounge and dinning room so have had some practice.
Answer
I have a good diy blokeual by readers digest. it is available in places like b&q. i have done umpteen jobs around the house by using it as my guide.