Book recommendation

Guys. I am about 50% through the following book. "How to Change when Change is Hard"

There are some great nuggets of information in there. It's not specific to addiction, but some great pearls of wisdom that can be applied to PMO, or anything else in life

http://www.amazon.com/Switch-change-things-when-hard-ebook/dp/B005FY5YRU/ref=sr_1_2?s=books&ie=UTF8&qid=1417649931&sr=1-2&keywords=how+to+change