"In the desert, deep inside the spiny center of the cactus, nests a bird no bigger than my finger. While the sharp thorns fend off animals that would eat the eggs, the parent birds come and go at will. And this was my mother's name, "living at the heart of the spiny cactus," Chiri, what others would call Hummingbird. The last time I saw her was on the way to Casas Grandes. (first lines)"