Halo: The Cole Protocol will be the sixth in the Halo series of novels. It is written by Tobias S. Buckell about the fate of "Gray Team", a group of SPARTAN-IIs who were on an isolated mission during the events of the Halo video-games.
author Eric Nylund
had expressed interest in telling the story of Gray Team on his blog; the task of crafting the next novel fell to newcomer Tobias S. Buckell
In October it was announced that The Cole Protocol would be released simultaneously in print and in audiobook format on November 25, 2008, and the final version of the cover was unveiled.
The story centers on the Spartan-II
Gray Team, and chronicles a previously unexplored conflict of the Human-Covenant War
. The novel will also offer a more in-depth perspective of the Covenant
Kig-Yar (Jackal) race.