I'm not sure if you intended to name the new book: "Adwords For Dummies" in your question or if it was just a play on words, but in a way, your question actually contains the answer!
A new book recently written by Howie Jacobson
(Author) and published by Wiley is "Adwords For Dummies." I've written a detail book review of this pay-per-click how-to book and you may want to read this Adwords for Dummies book review before buying it.
Adwords For Dummies review:
http://base.google.com/base/a/2575746/D17563693188745828435
In a nutshell, there are two books you might consider as solid investments on your road to improving your pay per click or PPC acumen:
1) Adwords For Dummies by Howie Jacobson ISBN 0470152524
2) Ultimate Guide To Google Adwords by Perry Marshall ISBN 159918030
There is no way in a single post to Yedda that anyone could do justice to your question and yet, for under $40, you could have a wealth of knowledge at your fingertips by reading Adwords For Dummies and the Ultimate Guide To Google Adwords.
So, to answer your question:
Any tips about using Google Adwords?
Yes! READ the Adwords book review (linked above) and read Adwords For Dummies and the Ultimate Guide To Google Adwords.
Hope this helps!