The next novel from the Kilo-Five Trilogy by #1 New York Times bestselling author Karen Traviss—part of the expanded universe predicated on the award-winning video game series Halo!

2553. Welcome to mankind’s new war: silent, high stakes, and unseen. This is a life-or-death objective for any office of Naval Intelligence’s black-ops team, Kilo-Five, which is usually tasked with preventing the ruthless Sangheili, once the armed service leaders from the alien alliance known as the Covenant, from regrouping and about HALO: The Thursday War threatening humankind once again. What began as a routine dirty-tricks operation—keeping the Sangheili occupied with their personal insurrection—turns into a desperate bid to draw out one member of Kilo-Five in the seething heart of a brutal civil war. But troubles under no circumstances arrive singly for Kilo-Five. Colonial terrorism is usually once more surfacing using one of the individual worlds that survived the war against the Covenant, and the man behind it is much more than just a name to Spartan Naomi-010. In the mean time, the treasure trove of Forerunner technology retrieved through the Forerunner shield globe of Onyx has been put to function, even as a kidnapped Sangheili plots vengeance on the human beings he fears will bring his visitors to the brink of damage…