The sole survivor on a desperate, last-chance mission to save both humanity and the earth, Ryland Grace is hurtled into the depths of space when he must conquer an extinction-level threat to our species.

"Somewhere within our crowded sky, a crew of wormhole builders hops from planet to planet, on their way to the job of a lifetime. To the galaxy at large, humanity is a minor species, and one patched-up construction vessel is a mere speck on the starchart. This is an everyday sort of ship, just trying to get from here to there. But all voyages leave their mark, and even the most ordinary of people have stories worth telling. A young Martian woman,...