We thought that Roberta s many fans would like to catch up with her and discover what she thinks about the way her career is going. Your many fans are delighted to see that you are publishing new books again, even if you are now writing for mystery and fantasy publishers. Mostly the difference is in emphasis. In a romance, the emphasis is on the emotional attachment of the protagonists. They think a great deal about each other and about how the other feels about them.
Sexual tension is a major factor.
In a mystery plot is most important. However, in mystery the protagonists think mostly about the problem they must solve and only about each other as a part of that problem. Sexual tension is a useful plot and character development device, but it is secondary to the solution of the mystery. The same is true for fantasy. In this genre, too, there is a problem to be solved.