The Nightlandhe Sun has gone out and the Earth is lit only by the glow of residual vulcanism. The last few millions of the human race are gathered together in the Last Redoubt, a gigantic metal pyramid, nearly eight miles high, which is under siege from unknown forces and Powers outside in the dark. These are held back by a shield known as the "air clog", powered from a subterranean energy source called the "Earth Current". For thousands of years vast living