That's what former Olympic diver Talia Mooneyfeared when the body washed up on the site ofthe Ultimate Endurance reality TV show. Now shewas stranded on a tropical island with her fellowcontestants and their nervous host. One of themhad to be the killer.Was it the wannabe starlet, the underweightgeek, the man having a midlife crisis? Could itbe her strongest competition, the sexy smart-assex-cop? Talia had counted on her honed body andferocious desire to win to pull her through. Nowshe must decide whom to trust—and how to beatthe killer at his own game.…