Weight Loss Surgery for Dummies - good and it addresses things like when other people say "you took the easy way out" and what to tell people when you really don't want them to know about the surgery.
The Weight Loss Surgery Workbook: Deciding on Bariatric Surgery, Preparing for the Procedure, and Changing Habits for Post-Surgery Success. I bought them at Chapters on Empress. I didn't do the workbook excercises but it makes you think about why you overeat and other things. It actually helped me more than I thought it would.
and this site has ooooooodles of information