A boy and his friends must find a way to survive in the mining tunnels after their new space colony is attacked in this gritty action-adventure novel, which School Library Journal called "a solid survival story."

In space. Underground. And out of time.

Christopher Nichols and his family live on a new planet, Perses, as colonists of Melming Mining's Great Mission to save the earth. Dozens of families like Christopher's have relocated, too, like his best friend Elena Rosales.

A communications blackout with Earth hits, and all of Perses is on its own for three months. It's...