the twins knelt beside her, and threw their arms around her neck. "We're sorry, Mom," David whispered. "Terribly sorry." "You've nothing to be sorry about," she replied. "It's not your fault." "Better get back inside," Pop Schermerhorn told her. "Mind, keep the doors locked. Things ain't safe no more around here." As they drove into San Benedicto, Elvin was considerably puzzled by the attitude of the twins. Normally talkative to the point of nausea, they were now strangely quiet. And this was exactly the sort of thing that should have inspired their most adolescent repartee. The sun was rising as they stopped the station wagon among the clutter of cars filling Main Street. Elvin stared in disbelief at the neat square of tropical jungle rising cleanly in the heart of San Benedicto. Not only the bank but a whole block of business houses was gone. This could be written off neither as insanity nor hypnotism; it was a madness existing in actual fact. Elvin gave up trying to discover any logic in what was happening. Both reason and natural law seemed to have abdicated. The periphery of jungle was surrounded by armed men. At intervals they shot at shadows lurking among the trees and, as the sun brightened, the accuracy of their aim increased. They were not worrying about causes, either; they were responding with excellent self-discipline to the emergency of tigers roaming the streets of San Benedicto. Afterwards, at their leisure, they could speculate on how the jungle had come to be there. There was only one fatality. A tiger sprang out of the jungle and mauled a man who had pressed too close. It happened directly in front of the Schermerhorn twins. They turned their rifles on the tiger and killed it instantly; but the man was dead, too. Elvin was surprised to see tears in the eyes of the twins, but he credited it to the unstable emotions of adolescence. Both of them had acted with maturity when they faced the tiger; no adult could have done more. Still they wept, even though the man was a stranger. By eight o'clock the stirrings in the jungle had stopped. The men began to relax. Waitresses from the Bid-a-Wee Cafe brought out doughnuts and coffee and distributed them among the crowd. There came, then, a new disturbance at the far end of Main Street, a shouting of tumultuous voices. A