The Moon and Beyond: Book I in Saga of the Lunar Free State

The scientists and engineers at the Deep Space Research Institute are a pretty smart bunch. So smart, in fact, that they've figured out how gravity works. More importantly, they've figured out how to make it work as a propulsion system. Of course, they are going to tell the world about it. Eventually. But first, they have a few things to do, like build a fleet of gravity-powered spacecraft and establish a permanent settlement on the Moon... assuming they can keep the U.S. government from figuring out what they are doing, shutting them down, and putting them all under arrest. Welcome to the Lunar Free State...