Hurd had written about this twilight zone in her book. It is where cave dwellers and cave strangers meet, though some can go no farther out and some can go no farther in—or at least not for long. I was one of the cave strangers, whose eyes are not adapted to darkness and who cannot live on the food a cave provides, but who are drawn to caves for our own reasons. Bears come to hibernate and give birth, bats and frogs to escape the heat, raccoons and skunks to take shelter from the weather. Why do humans come? That is harder to say. We come to see what is here and to discover who we are in the
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