'No city, no town, no community of more than one thousand people or two hundred buildings to the square mile, shall be built or permitted to exist anywhere in the United States of America. ' Thirtieth Amendment to the Constitution of the United States Two generations after the nuclear holocaust, rumours persisted about a secret desert hideaway where scientists worked with dangerous machines and where men plotted to revive the cities. Almost a continent away, Len Coulter heard whisperings that fired his imagination. Then one day he found a strange wooden box...