On Land, humanity faces a threat to its very survival - an airborne species, the ptertha, has declared war on humankind, and is actively hunting for victims. The only hope lies in migration. Through space to Overland. By balloon. The Ragged Astronauts - first volume in an epic adventure filled with memorable characters, intense action, engaging notions, exotic locales.

    At the end of a bloody thousand-year war against an invincible enemy, an uneasy peace has finally been achieved between humans and the dreaded cyborg warriors of the Cylon Empire. But peace soon turns to bloodshed when the Cylons launch an unexpected attack against humanity's twelve Colonial worlds, wiping out most of the inhabitants.