Her Secret Betrayal is a great follow up to Her Secret Pleasure. I rarley enjoy books where the submissive is called "whore" or similar names, but where Kara and Sean are concerned you can feel their distinctive bond and the love behind those words.
However, what I really need to mention is that this book needs some serious editing. I am no English native speaker but I have been reading English books for more than thirteen years now, and phrases like "Whoever this is has been pretty tame until now, but has shown the can get to you when they want to."
are quite a few in this story and really lessen my reading experience, especially when the plot is as captivating and suspenseful as it's in this case.
Oh, and by the way, when is the last installment coming out?