For 16 months since Amie Huguenard and Timothy Treadwell died in the jaws of a bear at Kaflia Bay on the Katmai Coast, I have been waking up at night with thoughts of this 37-year-old Midwestern woman I never knew. I can't get free of the words in an e-mail from an old boyfriend, sent months after Huguenard's death. "Amie had a kind of naivete about her that added a real sweetness to her entire persona,'' Stephen Bunch wrote. "At times it was easy to convince her of things that were not entirely true. We would let her in on...