In for a Penny: a partially paranormal romance

Tripp promised Penny one more book. He didn’t know it came with an unintended plot twist. In order to realign the plot toward their ultimate goal they invite their friends to come along for the ride. Tripp’s sister and Penny’s friends play supernatural roles in paranormal romance, Chase the Night.
But gypsy magic is a stubborn foe and a plot, once published, is not easily turned. Will the right hero win the girl in the end? When Penny discovers Tripp’s secrets, will she still want him? She’s in for a penny, but is she in for a pound?
Vampires, hunters, and werewolves, oh my! What’s a girl to do?