The first US / UN invasion of the renegade lunar colony of Aristillus has failed - but the powers-that-be in Washington and elsewhere can't give up. Their political careers - and an escape from the economic decline of Earth under a command-and-control economy - depend on conquering the lunar expats. A second - and final - invasion is planned. The lunar settlers prepare to repel the onslaught, but what can a small population of 1 million do against the combined might of billions on Earth - especi...