The mercury's soaring--and so are the body temperatures of three lucky couples: The Guy Diet by Thea Devine Disillusioned food columnist Lo Cavallero only wants her men "lite." But what will happen when dishy newsman Jed Costigan tries to convince her that he's more than just a scrumptious morsel? Light My Fire by Debbi Rawlins Jordan Samms has a mountain to climb-led by supersexy wilderness guide Zach Wilde. Before long, they're lighting each other's...