The legendary Reaper, Darrow, to defend Mars from a bloodthirsty would-be conqueror, begins his long voyage home, an interplanetary adventure where old friends will reunite, new alliances will be forged, and rivals will clash on the battlefield.

"For years Gregory Roarke and his Kadolian partner Selene worked as crocketts, combing through the atmospheres of uninhabited worlds for places that might be colonized or hold valuable resources. Now, they work for the Icarus Group, a top-secret government organization hunting for portals created by a long-vanished alien race, portals that can teleport a person hundreds or thousands of light-years in the blink of an eye. Usually, those hunts are long...