I came across this link yesterday and was sooooooo excited. Somerset is the prequel to the book Roses, which I have read & loved. It is along the same lines as the Thorn Birds or Gone With The Wind (which is my favorite movie btw). A great epic tale that spans generations and is heartbreaking in it's journey. I can't wait for Somerset to be released to gain deeper insight into the birth of grudge holding at it's finest.
If you haven't read Roses, please put it on your TBR list. I promise you won't be disappointed. Of course now that you know there is a prequel maybe you could wait and read them 'in order'.