• Fourth collected edition of the Halo: Escalation comic series (Dark Horse).
• Halo is one of the biggest-selling games of all time, with the series grossing over 3.4bn.
• Halo 4 (Microsoft) was played by over 1m people online within 24 hours of its release.
• Escalation develops the story after the events of Halo 4 and is written by the game's primary scriptwriter.