You're Tops (A Candy Hearts Romance)
Sydney St. Claire

Tucker Owen is a Dom with his eye on the new divorcee next door. His fantasies center around draping Regina over his spanking bench. Too bad she’s a strong woman and not submissive in the least. But when he learns she writes erotica romance and is having trouble getting the research right, he offers a week-long tutorial that’s bound to teach them both a few things.
Regina can't refuse all the research she could ask for and no strings sex on top. And with the sassy sub, Tucker soon discovers the pleasure that comes when the topper is topped.