I have some material suggestions that I have used in my group that addresses substance use and PTSD:
For your own edification: - Strong at the Broken Places by Linda Stanford
That definitely a step up from abuse; but still a far cry from good.
I wish I could do more.
This seems highly recommended: http://www.amazon.com/Strong-Broken-Places-Overcoming-Trauma/dp/1853813745/ref=sr_1_2?ie=UTF8&qid=undefined&sr=8-2&keywords=Strong+at+the+Broken+Places+abuse