well, in my experience, my dd NEVER did anything at the "right time" according to the book. try not to get too hung up on times. i know it is hard. i am a very "by the book" person, but my baby wasn't. i tried by best to keep to a structured routine and feedings. but sometimes things were off. i tried not to worry too much about time frames, but more on the routine part of it all. if you are off routine by an hour or so, don't stress. i was off by that mush so often i forgot what my original routine was anyway.
the best advice i can give you is just to have an idea of how you would like things to go, but also follow your baby's lead to an extent. it is a balancing act. it will take a few months for you to get a good routine going, so don't feel too bad the first few months as you try to get it down. believe me when i say the book makes it sound a lot easier than it is. and virtually no baby does everything in the exact time frames that the book lays out. i think tracy even acknowledges this several times. she just gives the times as an example.
i highly recommend tracy's methods, but cut yourself some slack in the "figuring it all out" phase. you will learn what your baby needs. i know i may sound too lax, but that is how i was with my baby and she was on a good (but never perfect) routine by 2-3 months and today at 9 months has an awesome routine. good luck.