War in the underground world!When the Nevada silver mine they were exploring suddenlycaves in, Frank Comstock and Philip Clay think they weredoomed . . . until an exploration of their prison leadsthem to a lost world far below the desert!Here two armies battle with terrible weapons, and whenthe friends become separated, Frank finds himself capturedand brought into a civilization both bewildering andawe-inspiring. The people of these underground caverns maybe technological geniuses, but they also seem to be lunaticswell from the weird inverted logic of their customs.Not since Gulliver's Travels has a story been used so deftlyto poke fun at human follies and foibles. Yet this novel worksnot only as social satire, but also as a first-rate adventurestory, ranking among Stanton A. Coblentz's finest work.