"Twelve-year-old Christopher Nichols and his family live on a new planet, Perses, as colonists of Melming Mining's Great Mission to save the earth. When Landers, as the attackers are called, obliterate the colony to steal the metal and raw ore, Christopher and a small group of survivors are forced into the maze of mining tunnels below the surface of Perses"--

"The young survivors on the mining asteroid of Perses have come up against what they mistakenly thought was their rescue. Now they must find a way to return home to Earth and share the truth about what happened with their battle against Major Thatcher. Once again Christopher has to make some tough choices as cracks begin to appear in their group and they are unsure of what has happened to Earth in the meantime and what kind of home they might return...