A lighter thriller, in the vein of Nelson Demille, unfolding in the world of Silicon Valley billionaires and the women who seek and use them for their money. The man: Wolfgang Schmitt: former model, newly single, habitual wiseass. It's a profile only his ailing mother could love-but it makes him perfect for one thing . . . The bait: Billionaire Nelson Scott wants Schmitt to seduce his wife--setting off a prenuptial clause that...