:yeahthat: What oorki said!

I cant comment on the baby routines books, as I have never read any of them, but with DS I just followed his lead, we demand fed so, it all went around his feeds, by about 3-4 months he had a nice little natural routine going, which while we had a few bumps along the road (wonder weeks, developmental stages, teething etc..) he pretty much stayed the same.
The only things I did were to put him to sleep during the day in the longe room in his rocker (not the basinette/cot/our bed as they were for night sleeps) and the bedtime/bath thing.

Every baby is different though, DS is such an easygoing kid, he will roll with whatever is going on, but I know other kids who need to have that "routine" of sleeping in the same place, fed at the same times etc, find what works for you and do it!
HTH a little xx