Forever & an Engine (The Austin Series #3).Mia and Gabe’s ingrained personality traits continue to rub each other up the wrong way, while Mia’s formal diagnosis creates even more tension in their relationship. It forces them to start facing up to whether their love and raw sexual chemistry is enough to overlook their fundamental differences. Meanwhile Lexi starts having doubts about her plans for her pregnancy and she has to give the ever persistent Doug an answer.Just when it seems that Mia and Lexi have made their decisions, something happens that will turn one of their worlds upside down.The Austin Series is six books in total, and is designed to be read in the following sequence:New Leaves, No StringsBaggage & ButtonsForever & an EngineThe Honeymoon PeriodLove & Loss Infinite LoveIn addition, Destined (The Austin Series Prequel) is also available, written from Gabe Austin's point of view.