LOVE'S NATURAL LAW Biologist Libby Stapleton was ready for anything when she met her unwilling partner on a government environmental study--anything, that is, except forest manager Dan Wagner, whose animal grace and disturbing honesty filled her with swift, passionate longing. Suddenly the dreaded three-week trek into wild mountainous terrain became a dangerous adventure into an uncharted world of desire. But Dan was a man who played the game of life by his own rugged rules. If Libby wanted to win his heart, she had to live by the laws of nature--and survive.