SGA-04 Halcyon by James Swallow
Series: Stargate Atlantis SGA, Book 4.
Approx. 103,090 words.
Published on December 5, 2011 by
In their ongoing quest for new allies, Atlantis's flagship team travel to Halcyon, a grim industrial world where the Wraith are no longer feared — they are hunted. Horrified by the brutality of Halcyon's warlike people, Lieutenant Colonel John Sheppard soon becomes caught in the political machinations of Halcyon's aristocracy.