Halo 4: Prima Official Game Guide;

€ MLG Pro Strategy €“ Get expert advice for every War Game map and game type from MLG pro Halo players and MLG tournament champions- Michael "Strongside" Cavanaugh, Michael "Flamesword" Chavez, Marcus "Elumnite" Lovejoy, and Brett "Naded" Leonard. 
€ Free Online Updates €“ Complete the Spartan Ops weekly episodic campaign. Redeem the digital access code provided to learn key strategies, watch gameplay video from the devs, and complete all missions.
€ Critical Appendix €“ Details info on Achievements, Emblems, and Multiplayer medals.
€ Become a Legend €“ Offers the very best tactics to get you through the campaign with a Heroic walkthrough and Legendary tips.