JUMP START (4) by Lisa Renee Jones: Small-town veterinarian Jennifer Jones bumps into her ex-boyfriend, Sgt. Bobby Evans, at a wedding. In the years since they last dated, Bobby has traveled the world as an Army Ranger. But Bobby has a new mission: To win back Jennifer. Jennifer is willing to entertain this hot stud, but only for two weeks. Their chemistry is sizzling, and a suspenseful subplot sets up the Texas Hotzone series as Bobby investigates a skydiving business run by ex-Army Rangers, who may be dabbling in illegal activities on the side.