She nodded, lost in thought. They sat in silence for a time, the warm wind flapping their collars. A dragonfly the size of a housecat buzzed past, its cellophane wings vibrating like a radio-controlled airplane. A hazy volcano belched lava in the distance. Clara Bonner had fallen asleep on the floor, and the cashier sat with his back to yellow straw, a few bails of which were stacked high enough against the cab to prevent the driver from seeing his stowawayed passengers. He sat smoking a cigarette, watching the pterodactyls circle high above them. A velociraptor kept pace with them briefly, bounding over the ground like a cheetah. Savanna whispered: “‘Throw wide the gates of hell, and let loose the beasts of prey ...’” Roger looked at her, his expression concerned. “What, honey?” She