Simon & Schuster

Gallery Books is an imprint of publishing company Simon & Schuster which publishes a wide variety of fiction and non-fiction books. In February of 2014, 343 Industries announced that they had entered into a multi-year co-publishing program with Gallery Books. The Halo novels previously had been published by Del Rey and Tor.

Halo
Gallery Books was contracted to publish Halo books following the last novel of Kilo-Five Trilogy, Halo: Mortal Dictata, which was published by Tor Books. The first Halo book to be published by Gallery Books is Halo: Broken Circle, by John Shirley, which was released on November 4, 2014. Working in conjunction with Pocket Star Books, Gallery Books published Halo: New Blood, by Matt Forbeck, a short novel was released on March 2, 2015. Throughout the rest of 2015, Gallery Books published four new novels: Halo: Hunters in the Dark, by Peter David on June 16; Halo: Saint's Testimony, by Frank O'Connor on July 27; Halo: Last Light, by Troy Denning on September 7; and Halo: Shadow of Intent, by Joseph Staten on December 7.