Welcome, Rene, and best of luck with The Sonshine Girls. The only problem you will have with this list is avoiding being totally overwhelmed by all the recommendations (to which I, of course, humbly submit my own books). But just take your time, and enjoy.
I'm an admitted neophyte when it comes to electronic books. I have one out there. Marketing it seems to be a problem, but it's a pretty good story, people who have the paper edition tell me, so see what you think. you can read about it and even buy it here: http://www.fictionwise.com/ebooks/eBo...
Dorien
http://www.soriengrey.com