My favorite books on the subject:
Mindfulness in Plain English by Bhante Gunaratana
The Mindful Path to Addiction Recovery by Lawrence Peltz
The Mindfulness Workbook for Addiction by Williams and Kraft
The first is a classic and a great how-to book. The second is excellent for alcohol and any addiction. The third was the first book I read after I quit drinking. It's a workbook with exercises and spaces for writing and responding to questions and prompts. More than anything I've read, I attribute my current sobriety to these three books and to my practicing what they teach.