Check out some University's web site. Sometimes course notes are downloadable from there. Good summary notes are provided, better than long-winded textbooks.
If you are working in this industry, in the analog / digital design, it's best to learn from experienced colleagues. If not, try books and better to practice.
You can post this in a new topic..
a> But what transistor are u speaking about when u say bulk?
b> Why would you want to remove VDD after extraction??!!