Assemblers of Infinity

Earth's thriving lunar colony faces a mysterious, growing threat on the far side of the Moon . . . an alien invasion or nanotechnology run amuck.

The crew of Moonbase Columbus makes an amazing discovery on the far side of the Moon—a massive alien structure is erecting itself, built up atom by atom by living machines, microscopically small, intelligent, and unstoppable, consuming everything they touch. The mysterious structure begins to expand and take shape, and its creators begin to multipl...