I did the entire program in this book and saw great results with it.

To answer your question about all of the training methods you see that aren't present in this book:
Everyone is doing something different on here. Some people are prepping for comps, others are working on symmetery or size. So you can't compare this program to what others are doing. This program is more of a base line. It is getting your muscles ready for any future adventures you may have in store for them.
So if you complete this program and notice that hey you want larger arms, well then your next program will probably reflect that. And you probably won't get the same large arm results from the programs in this book as what you will from a more arm concentrated program elsewhere.
From the sounds of it though, this is a great place for you to start from. You are still a bit of a newb and I am sure you will see awesome gains from this book