It's Nicky Charles's gift to the world. It's well written and fun, and the romance grows on you the same way it grows on Elise.
The books in the series evolve in style, and the plots get more complicated. This is the simplest but perhaps my favorite. I stumbled upon this book on Barnes and Noble.com
As for the "erotica" genre, well it's not like that's what the book's about. It's about romance, not sex and the title gets less and less relevant as the series continues.
Thanks for writing this, Ms. Charles!