The Lady and The Rake: Regency Romance by Agnes Forest

The back to back pose describes the attitude of these two from the start of the book. Unfortunately, both try to hide their attraction to each other. As Selina begins her new life as a companion she learns to like Alex. You'll enjoy the banter between these two and how Alex is always trying to make sure Selina is not misunderstanding him. Lets face it, the interfering neighbors are not helping.