Can anyone sugest a good book on how to wire an HO layout using a DCC system?
They have a few good ones on right here. Just click on our store and navigate to this link.
http://www.kalmbachstore.com/modeltrains-railroading-model-railroading-books-wiring-electronics.html
There is also this excellent web site loaded with information http://www.wiringfordcc.com/
These presentations in PDF form over at Silcon Valley Lines Club Site from San Jose, CA. are really useful.